We have just released JChem Extensions version 3.1.0.v0506.
It is available for download at https://www.infocom.co.jp/bio/knime/update/3.1
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Feb 3rd, 2017: Version 3.1.0.v0506 for KNIME 3.1.0 and JChem 17.1.30.0 (System requirement:KNIME 3.1.0 or later)

New Features and improvements
Marvin/JChem 17.1.30.0 are used.

New Nodes
-CNMR Prediction
Calculate the CNMR Prediction.

-HNMR Prediction
Calculate the HNMR Prediction.

Improvements
-Advanced MolConverter
Support Image formats.

Bugfixes
-MarvinView
MarvinView node caused KNIME to hang on the Mac.

-MolSimilarity
MolSimilarity node could not be used without Molecular Descriptors license.

-PubChem Search
PubChem Search node could not access to the PubChem Power User Gateway via HTTP protocol.

We have just released JChem Extensions version 3.1.0.v0505.
It is available for download at https://www.infocom.co.jp/bio/knime/update/3.1
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Nov 29th, 2016: Version 3.1.0.v0505 for KNIME 3.1.0 and JChem 16.11.21.0 (System requirement:KNIME 3.1.0 or later)

New Features and improvements
Marvin/JChem 16.11.21.0 are used.

New Nodes
-JC4O Reader
Reads the contents of an Office file created with JChem For Office.

-JC4O Writer
Writes the incoming data table contents to a JChem For Office compatible docx and pptx file.

Improvements
-MolConverter, Advanced MolConverter
Add 'Remove small fragments' options.
Add 'Cleaning' options.

-JChem Search, MolSearch
The default Vague Bond Level has changed.

-Marvin Renderer
Add 'S-group Attachment' options.

Bugfixes
-DocumentExtractor
OSR external tool option could not be off.

We have just released JChem Extensions version 3.1.0.v0504.

It is available for download at https://www.infocom.co.jp/bio/knime/update/3.1

This is composite update site that includes both of JChem and Marvin Extensions.



JChem Extensions Changes



Sep 30th, 2016: Version 3.1.0.v0504 for KNIME 3.1.0 and JChem 16.9.26.0 (System requirement:KNIME 3.1.0 or later)



New Features and improvements

Marvin/JChem 16.9.26.0 are used.

We have just released JChem Extensions version 3.1.0.v0503.

It is available for download at https://www.infocom.co.jp/bio/knime/update/3.1

This is composite update site that includes both of JChem and Marvin Extensions.



JChem Extensions Changes

Apr 15th, 2016: Version 3.1.0.v0503 for KNIME 3.1.0 and JChem 16.4.11.0 (System requirement:KNIME 3.1.0 or later)



New Features and improvements

Marvin/JChem 16.4.11.0 are used.



Improvements

-The node icon has been changed.

We have just released JChem Extensions version 3.1.0.v0502.
It is available for download at https://www.infocom.co.jp/bio/knime/update/3.1
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Feb 19th, 2016: Version 3.1.0.v0502 for KNIME 3.1.0 and JChem 16.2.15.0 (System requirement:KNIME 3.1.0 or later)

New Features and improvements
Marvin/JChem 16.2.15.0 are used.

Improvements
-The following nodes have supported concurrent processing.
Converter nodes
Marvin nodes (in part)
Calculator Plugins nodes (in part)
Standardizer
Screen nodes (in part)

-Marvin Renderer
Add 'Transparent' options.

We have just released JChem Extensions version 3.1.0.v0501.
It is available for download at https://www.infocom.co.jp/bio/knime/update/3.1
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Dec 9th, 2015: Version 3.1.0.v0501 for KNIME 3.1.0 and JChem 15.12.7.0 (System requirement:KNIME 3.1.0 or later)

New Features and improvements
Marvin/JChem 15.12.7.0 are used.

Improvements
-All nodes and renderer.
Support adaptor type cell (e.g. CDK, RDKit) which contains structural data type.

We have just released JChem Extensions version 2.8.2.v0306.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.8
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Sep 25th, 2015: Version 2.8.2.v0306 for KNIME 2.8.2 (also KNIME 2.9.x, 2.10.x, 2.11.x, 2.12.x) and JChem 15.9.21.0 (System requirement:KNIME 2.8.0 or later)

New Features and improvements
Marvin/JChem 15.9.21.0 are used.

We have just released JChem Extensions version 2.8.2.v0305.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.8
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Sep 11th, 2015: Version 2.8.2.v0305 for KNIME 2.8.2 (also KNIME 2.9.x, 2.10.x, 2.11.x, 2.12.x) and JChem 15.9.7.0 (System requirement:KNIME 2.8.0 or later)

New Features and improvements
Marvin/JChem 15.9.7.0 are used.

New Nodes
-Markush Composer
Automatically generate Markush structures based on a set of compounds.

Improvements
-DocumentExtractor, TextExtractor
Extract option has been enhanced.

-Structure Checker
Output Fixes Applied, Problems Remaining information.

-Markush Enumeration
Node repository tree has been moved to JChem > Markush.

Bugfixes
-Standardizer, Structure Checker
Sometimes the full interface did not display.

-Structure Checker
In some case, the node did not work correctly.

We have just released JChem Extensions version 2.8.2.v0304.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.8
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Sep 4th, 2015: Version 2.8.2.v0304 for KNIME 2.8.2 (also KNIME 2.9.x, 2.10.x, 2.11.x, 2.12.x) and JChem 15.8.31.0 (System requirement:KNIME 2.8.0 or later)

New Features and improvements
Marvin/JChem 15.8.31.0 are used.

New Nodes
-Markush Overlap
Calculates the overlapping space between two Markush structures.

Improvements
-DocumentExtractor, TextExtractor
Extract option has been enhanced.

-Markush Viewer, R-group Decomposition, R-group Composition
Node repository tree has been moved to JChem > Markush.

We have just released JChem Extensions version 2.8.2.v0303.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.8
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Jul 30th, 2015: Version 2.8.2.v0303 for KNIME 2.8.2 (also KNIME 2.9.x, 2.10.x, 2.11.x) and JChem 15.7.20.0 (System requirement:KNIME 2.8.0 or later)

New Features and improvements
Marvin/JChem 15.7.20.0 are used.

New Nodes
-HLB
Calculate the hydrophilic-lipophilic balance number (HLB number).

Improvements
-JChem Search, JChem Update, JChem Cartridge
Support Boolean, DateAndTime and BinaryObject type cell

-Tautomers
Improving and modifying the tautomerization options.

-logP
Improving and modifying the logP calculation methods.

-logD
Improving and modifying the logD calculation methods

We have just released JChem Extensions version 2.8.2.v0302.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.8
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Apr 8th, 2015: Version 2.8.2.v0302 for KNIME 2.8.2 (also KNIME 2.9.x, 2.10.x, 2.11.x) and JChem 15.3.30.0 (System requirement:KNIME 2.8.0 or later)

New Features and improvements
Marvin/JChem 15.3.30.0 are used.

New Nodes
-Maccs Fingerprint
The fingerprints encode the Maccs Key.
It based on the following information.
https://www.chemaxon.com/forum/ftopic8138.html

-Atom Selection
Handle atom selection information.

Improvements
-MolSearch
Add hit atom indexes option has been addded.

-Marvin Renderer
Add 'Margin size' options.

We have just released JChem Extensions version 2.8.2.v0301.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.8
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Feb 17th, 2015: Version 2.8.2.v0301 for KNIME 2.8.2 (also KNIME 2.9.x, 2.10.x, 2.11.x) and JChem 15.2.9.0 (System requirement:KNIME 2.8.0 or later)

New Features and improvements
Marvin/JChem 15.2.9.0 are used.

Improvements
-All nodes and renderer.
Support adaptor type cell (e.g. CDK, RDKit) which contains structural data type.

Bugfixes
-Standardizer, Structure Checker
The previous version could not work in headless environment (KNIME Batch Mode).

-MarvinSpace
Close the view the whole application will close.

We have just released JChem Extensions version 2.8.2.v0300.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.8
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Dec 8th, 2014: Version 2.8.2.v0300 for KNIME 2.8.2 (also KNIME 2.9.x, 2.10.x, 2.11.x) and JChem 14.11.24.0 (System requirement:KNIME 2.8.0 or later)

New Features and improvements
Marvin/JChem 14.11.24.0 are used.

New Nodes
-Aqueous Solubility
Calculate the solubility.

Improvements
-JC4XL Writer
Supports ImageCell(PNGImageCell).

-Marvin Renderer
Automatic Scaling option has been enhanced.

We have just released JChem Extensions version 2.8.2.v0205.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.8
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Jul 7th, 2014: Version 2.8.2.v0205 for KNIME 2.8.2 (also KNIME 2.9.x) and JChem 6.3.1.0 (System requirement:KNIME 2.8.0 or later)

New Features and improvements
Marvin/JChem 6.3.1.0 are used.

Improvements
-All nodes and renderer.
Support adaptor type cell (e.g. CDK, RDKit) which contains structural data type.

Bugfixes
-MarvinSpace
The previous version could not work due to OpenGL libraries version issue.

We have just released JChem Extensions version 2.8.2.v0204.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.8
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
May 23rd, 2014: Version 2.8.2.v0204 for KNIME 2.8.2 (also KNIME 2.9.x) and JChem 6.3.0.0 (System requirement:KNIME 2.8.0 or later)

New Features and improvements
Marvin/JChem 6.3.0.0 are used.

Improvements
-Tautomers, Conformers, Stereoisomers, Molecular Dynamics
Keep input columns option has been addded.

-MCS
Ring handling mode option has been added.

-Reactor
The Reactor nodes can use input data as reaction schemes.
Generate synthesis code option has been added.

-Fragmenter, Screen nodes
Example config files are bundled and added to a file list.

Bugfixes
-JChem Search, JChem Update
The unnecessary data field was outputted.

We have just released JChem Extensions version 2.8.2.v0203.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.8
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Apr 2nd, 2014: Version 2.8.2.v0203 for KNIME 2.8.2 (also KNIME 2.9.x) and JChem 6.2.1.0 (System requirement:KNIME 2.8.0 or later)

New Features and improvements
Marvin/JChem 6.2.1.0 are used.

Improvements
-Sphere Exclusion
Clustering method option has been added.

Bugfixes
-JChem Cartridge
SQLException was thrown, if SQL statement has multi line breaks.

-All nodes
The previous version could not work on Mac environment due to java version issue.

We have just released JChem Extensions version 2.8.2.v0202.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.8
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Feb 6th, 2014: Version 2.8.2.v0202 for KNIME 2.8.2 (also KNIME 2.9.x) and JChem 6.2.0.0 (System requirement:KNIME 2.8.0 or later)

New Features and improvements
Marvin/JChem 6.2.0.0 are used.

Improvements
-MolConverter
Support Inchi data type.

-DocumentExtractor, TextExtractor
Extract option has been enhanced.

-Marvin Renderer
Support Inchi data type.

-All nodes
Skip weird cases and keep the execution of workflow.

Bugfixes
-JChem Update
Bits to be set for patterns could not be more than 3.

-Sphere Exclusion
Sphere Exclusion could not work with Chemical Fingerprints

-All nodes
The previous version could not work on Mac environment due to java version issue.

We have just released JChem Extensions version 2.7.4.v0201.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.7
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Nov 12th, 2013: Version 2.7.4.v0201 for KNIME 2.7.4 (also KNIME 2.8.x) and JChem 6.1.3.0 (System requirement:KNIME 2.7.0 or later)

New Features and improvements
Marvin/JChem 6.1.3.0 are used.

New Nodes
-Sphere Exclusion
Calculate the Sphere Exclusion.

Improvements
-MolImporter, MolExporter
Performance of I/O was increased by using concurrent processing in molecule import/export.

-MolExporter
'Including data types of properties' option has been added.

-JC4XL Writer
Support xlsm file for appending data.

-Advanced MolConverter
Support binary data type (SKC, CDX format).

-Topology Analysis
'Fsp3' option has been introduced

-Standardizer
Standardizer GUI has been updated based on JChem / Marvin updated.
StandardizerResult output has been added.

-Structure Checker
Structure Checker GUI has been updated based on JChem / Marvin updated.

-Library MCS
Library MCS uses the newly developed MCS module.
Add 'Structure output is split in level' option (output is Collection Column).

-Metabolizer
Metabolizer GUI has been updated based on JChem / Marvin updated.
Metabolizer uses the newly developed Metabolizer module.

-Marvin Renderer
Add 'IUPAC Numbering' option.

-The following nodes have supported part of streaming processing.
MolImporter, MolExporter
JC4XL Reader, JC4XL Writer
Fuse Fragments, Join Reaction
MolSearch, Formula Search
Document Extractor
LibraryMCS
Reactor
Metabolizer

Bugfixes
-JChem Search, JChem Update
The unnecessary data field was outputted.

We have just released JChem Extensions version 2.6.3.v0200.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.6
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Jul 3rd, 2013: Version 2.6.3.v0200 for KNIME2.6.3 (also KNIME 2.7.x) and JChem6.0.2.0 (System requirement:KNIME 2.5.0 or later)

New Features and improvements
Marvin/JChem 6.0.2.0 are used.

New Nodes
-MCS
The MCS finds the maximum common substructure (MCS) of two molecules.

-Similarity Calculator
Calculate the similarity based on a Fingerprint.

Improvements
-JJC4XL Writer
'Append / Overwrite' option has been added.

-JChem Search, MolSearch
Advanced option has been enhanced.

-Topology Analysis
'Aromatization method' option has been added.

-Reactor
'Mark reaction center' option has been added.

-MolSimilarity, RxnSimilarity
If query and target structures are from same data, only a half is outputted to reduce execution time.

-FingerPrint
A result can be outputted as a bit format.

Bugfixes
-MolSimilarity, RxnSimilarity
Preprocessing time has been reduced.

-FingerPrint
The length of the result as binary format was not fixed.

We have just released JChem Extensions version 2.6.3.v0138.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.6
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
May 20th, 2013: Version 2.6.3.v0138 for KNIME2.6.3 (also KNIME 2.7.x) and JChem5.12.4.0 (System requirement:KNIME 2.5.0 or later)

New Features and improvements
Marvin/JChem 5.12.4.0 are used.

Bugfixes
-JChem Search
If search time takes longer than 6 seconds, the search stops as time out error.

We have just released JChem Extensions version 2.6.3.v0137.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.6
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Apr 25th, 2013: Version 2.6.3.v0137 for KNIME2.6.3 (also KNIME 2.7.x) and JChem5.12.3.0 (System requirement:KNIME 2.5.0 or later)

New Features and improvements
Marvin/JChem 5.12.3.0 are used.

New Nodes
-Screen3D
Calculate the three dimensional similarity comparison of molecular pairs.

-MolFragmenter
Molecule fragmenter.

Improvements
-The following nodes have supported streaming processing. (requirement:KNIME 2.7.4 and DataRush 6.1.0-18)
Converter nodes
Set MolName And Comment, Get MolName And Comment, Split Into Fragments, Split Reaction, RCSB PdbImporter
Calculator Plugins nodes
Standardizer
Structure Checker
Text Extractor
Fragmenter, MolFragmenter
Screen nodes (except for MolSimilarity, MolSimilarity, Screen3D)

-Multiple MolImporter, Multiple PdbImporter
In order to delete a file, multiple files can be selected.

-Isoelectric Point
'Keep explicit hydrogens' option has been added.

-Molecular Dynamics
New MMFF94 forcefield implementation has been introduced.

-JChem Search, MolSearch
Advanced option has been enhanced.

-R-group Decomposition
'Include scaffold in the output' option has been added.

-Fragmenter
Some Fragmenter options have been added.

Bugfixes
-Database nodes
Database nodes did not recognize non-standard character sets such as MacRoman.

-MolSimilarity
If there were two or more query structures, the result was not correct.

We have just released JChem Extensions version 2.6.3.v0135.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.6
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Nov 1st, 2012: Version 2.6.3.v0135 for KNIME2.6.3 and JChem5.11.3.0 (System requirement:KNIME 2.5.0 or later)

New Features and improvements
Marvin/JChem 5.11.3.0 are used.

New Nodes
-Dipole Moment Calculation
Calculate the Dipole moment.

Improvements
-MarvinSketch
Output molecule properties that are added in MarvinSketch GUI.

-pKa, Major Microspecies
'Keep explicit hydrogens' option has been added.

-LibraryMCS
'Keep properties of structure' option has been added.

We have just released JChem Extensions version 2.6.0.v0134.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.6
This is composite update site that includes both of JChem and Marvin Extensions.

JChem Extensions Changes
Sep 6th, 2012: Version 2.6.0.v0134 for KNIME2.6.0 and JChem5.10.3.0 (System requirement:KNIME 2.5.0 or later)

Bugfixes
-JC4XL Reader
Since the unnecessary log was outputted, processing speed was slow.

-JC4XL Reader, JC4XL Writer
In the KNIME 2.6.1, could not work correctly.

-Join Reaction, MolExporter, Reactor, R-group Composition
In Windows7 and Linux, dialog layout was broken.

We have just released JChem Extensions version 2.6.0.v0133.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.6

Note:
You will have to install the Marvin Extensions before the JChem Extensions.
Marvin Extensions 2.6.0.v0133 can be downloaded from http://www.knime.org/downloads/update

JChem Extensions Changes
Aug 24th, 2012: Version 2.6.0.v0133 for KNIME2.6.0 and JChem5.10.3.0 (System requirement:KNIME 2.5.0 or later)

New Features and improvements
Marvin/JChem 5.10.3.0 are used.

New Nodes
-Shape Descriptor
Shape descriptor implements a 3D alignment based similarity calculation.

-Join Reaction
Join reaction from reactants and products.

Improvements
-Marvin Renderer
Add 'Peptide Display' options.

-MarvinSketch
Add 'Outputting multiple fragments' options.

-MolExporter
Add 'Export empty (missing) structure' options.

-Reactor
Outputs both of successful products / reactions and failed reactants.

-MolSearch
Add 'Add match count to the search result' options.

Bugfixes
-MolImporter
MolImporter nodes did not recognize non-standard character sets such as MacRoman.

-JC4XL Reader
If there are some blank or error cells on an Excel sheet, then they were not ignored.

-JC4XL Writer
Empty (missing) data was not written correctly.

-logP, logD
Selected Method was not recognized correctly.

We have just released JChem Extensions version 2.5.4.v0132.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.5

JChem Extensions Changes
May 10th, 2012: Version 2.5.4.v0132 for KNIME2.5.4 and JChem5.9.3.0 (System requirement:KNIME 2.5.0 or later)

Bugfixes
-MolImporter, (also other nodes that have file path parameter)
File path parameter would be blank in case of importing older workflows.
This version can load an older workflow which is built at 2.5.0.v0127 or later.

-JChem Cartridge
IOException was thrown by saving / loading an executed workflow, if SQL statement which is an INSERT, UPDATE, or DELETE statement.

-3D Alignment
NullPointerException was thrown, if the alignment type was "atom pairs",

Backward compatibility
We have also created JChem Extensions version 2.4.2.v0132.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.4.2
All of features are same except for the sortable table feature of MarvinTable node.
May 10th, 2012: Version 2.4.2.v0132 for KNIME2.4.2 and JChem5.9.3.0 (System requirement:KNIME 2.3.4 or later)

We have just released JChem Extensions version 2.5.4.v0131.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.5

Note:
You will have to install the Marvin Extensions before the JChem Extensions.
Marvin Extensions 2.5.4.v0131 can be downloaded from http://www.knime.org/downloads/update

JChem Extensions Changes
Apr 26th, 2012: Version 2.5.4.v0131 for KNIME2.5.4 and JChem5.9.3.0 (System requirement:KNIME 2.5.0 or later)

New Features and improvements
Marvin/JChem 5.9.3.0 are used.

Improvements
-MolImporter
Support the common office document formats.
Add 'Add the input file name' option.

-MolExporter
Add 'Encoding' option.
Support URL as file path to export structural file.

-JC4XL Writer
Support URL as file path to write xlsx file.

-pKa
Add 'Number of acidic pKa / basic pKa' options.

-R-group Decomposition
Add 'Undefined R-atom matches' option.

-R-group Composition
Add 'Filter out duplicate structures on each rgroup set' option.
Add 'Add selected rgroup structures to all rgroup set' option.

-JChem Cartridge
GUI has been improved.
Add 'Database Schema Browser'.
Add 'SQL Statement' which supports DML (SELECT, INSERT, UPDATE, DELETE) SQL statement with input data and variable.

-Document Extractor / Text Extractor
Support the common office document formats.
Add 'Accept elements / generic names / ions' options.

-ECFP/FCFP
Node name has been renamed.
Add 'Substructure' output type.

-Reactor
Add 'Reaction rules' options.

-MarvinSketch
The information on the selected atoms and bonds can be stored in MRV format.

-Marvin Cell
Unique Smiles is used for comparison of data.
This affects the GroupBy, Sorter nodes.

Bugfixes
-Importer / Exporter
If the extension of structural file is upper case, could not work.

-JC4XL Writer
The result sheet was grouped with the structure data sheet (hidden sheet).
The result file did not recalculate the formula (for rendering structure).

-Chemical Fingerprint / Reaction Fingerprint
If input data has missing cell, could not work continual.

-All nodes
GUI has been improved.
Support resizing the window.
Node color has been improved.

Backward compatibility
We have also created JChem Extensions version 2.4.2.v0131.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.4.2
All of features are same except for the sortable table feature of MarvinTable node.
Apr 26th, 2012: Version 2.4.2.v0131 for KNIME2.4.2 and JChem5.9.3.0 (System requirement:KNIME 2.3.4 or later)

We have just released JChem Extensions version 2.5.1.v0129.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.5

Note:
You will have to install the Marvin Extensions before the JChem Extensions.
Marvin Extensions 2.5.1.v0129 can be downloaded from http://www.knime.org/downloads/update

JChem Extensions Changes
Jan 24th, 2012: Version 2.5.1.v0129 for KNIME2.5.1 and JChem5.8.0.0 (System requirement:KNIME 2.5.0 or later)

New Features and improvements
Marvin/JChem 5.8.0.0 are used.

New Nodes
-Markush Viewer
Markush Viewer is a application of ChemAxon to view the various R-group definitions of Markush structures in an organized way.

Improvements
-Marvin Renderer
Add 'Quality' options.
Add 'Coordinate Bond Line Style' options.

Bugfixes
-MolImporter, (also other nodes that have file path parameter)
File open/save dialog could not work correctly.

-JChemSearch
Always returned no hit results.

Backward compatibility
We have also created JChem Extensions version 2.4.2.v0129.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.4.2
All of features are same except for the sortable table feature of MarvinTable node.
Jan 24th, 2012: Version 2.4.2.v0129 for KNIME2.4.2 and JChem5.8.0.0 (System requirement:KNIME 2.3.4 or later)

We have just released JChem Extensions version 2.5.0.v0128.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.5

JChem Extensions Changes
Dec 8th, 2011: Version 2.5.0.v0128 for KNIME2.5.0 and JChem5.7.0.0 (System requirement:KNIME 2.5.0 or later)

New Features and improvements

Improvements
-Document Extractor
Support URL as file path to extract file document.

Bugfixes
-MolImporter, (also other nodes that have file path parameter)
When using with KNIME Server, could not work correctly.

Backward compatibility
We have also created JChem Extensions version 2.4.2.v0128.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.4.2
All of features are same except for the sortable table feature of MarvinTable node.
Dec 8th, 2011: Version 2.4.2.v0128 for KNIME2.4.2 and JChem5.7.0.0 (System requirement:KNIME 2.3.4 or later)

We have just released JChem Extensions version 2.5.0.v0127.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.5

Note:
You will have to install the Marvin Extensions before the JChem Extensions.
Marvin Extensions 2.5.0.v0127 can be downloaded from http://www.knime.org/downloads/update

JChem Extensions Changes
Dec 5th, 2011: Version 2.5.0.v0127 for KNIME2.5.0 and JChem5.7.0.0 (System requirement:KNIME 2.5.0 or later)

New Features and improvements
Marvin/JChem 5.7.0.0 are used.

New Nodes
-JC4XL Reader
Reads the contents of an Excel file created with JChem For Excel.

-JC4XL Writer
Writes the incoming data table contents to a JChem For Excel compatible xlsx file.

Improvements
-MolImporter, PdbImporter
Support URL as file path to import structural file.

-MolConverter, Advanced MolConverter
Support output (export) options.

-Structure Checker
Support output to separate port (Fixed and unfixed structures).

-Document Extractor, Text Extractor
Add 'Lookup of CAS numbers' options.

-MarvinView
Support hilite filter features (HiLite > Filter menu).

-MarvinTable
Sort data in table view by clicking the column header (based on KNIME feature).

Bugfixes
-MolExporter
When using with KNIME Server, could not work correctly.

-JChem Manager, JChem Cartridge
When using with KNIME Server (Web Portal), workflow credential could not work correctly.

-LibraryMCS
The 'Maximum level count' option on the 'Clustering' tab can not be set smaller than 5.

We have just released JChem Extensions version 2.4.1.v0125.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.4

Note:
You will have to install the Marvin Extensions before the JChem Extensions.
Marvin Extensions 2.4.1.v0125 can be downloaded from http://www.knime.org/downloads/update

JChem Extensions Changes
Aug 9th, 2011: Version 2.4.1.v0125 for KNIME2.4.1 and JChem5.5.1.0 (System requirement:KNIME 2.3.4 or later)

New Features and improvements
Marvin/JChem 5.5.1.0 are used.

New Nodes
-Split Reaction
Splitting products and reactants from reaction.

-Formula Search
Filters molecules based on sophisticated chemical formula search.

Improvements
-JChem Cartridge, JChem Manager
Support workflow credential for "User name and password" to connect to the database.

-MCES
Support matrix type output.
Output MCS Distance.

-MolExporter
Support multiple structural columns to export the file.

-JChem Manager
Support added JDBC driver file in Preference dialog of KNIME File > Preferences menu.

-Split Into Fragments
Add 'Split into columns as collection' options.

Bugfixes
-MarvinSpace
Support MacOS 64 bit.

-Marvin Renderer
Empty data issue has been fixed.

-All nodes
Calculating requirement and dependency could not work correctly and it has been fixed.
Executing workflow in KNIME batch mode could not work and it has been fixed.

Removed nodes
MrvConverter
MrvFromCmlConverter
MrvFromMol2Converter
MrvFromMolConverter
MrvFromPdbConverter
MrvFromRxnConverter
MrvFromSdfConverter
MrvFromSmilesConverter
MrvToCmlConverter
MrvToMol2Converter
MrvToMolConverter
MrvToPdbConverter
MrvToRxnConverter
MrvToSdfConverter
MrvToSmilesConverter
MrvToStringConverter

Use the 'MolConverter' node instead.

We have just released JChem Extensions version 2.3.4.v0124.
It is available for download at https://www.infocom.co.jp/bio/knime/update/2.3

Note:
Since this version, we have separated the Marvin Extensions from the JChem Extensinos.
Therefore, you will have to install the Marvin Extensions before the JChem Extensions.
Marvin Extensions 2.3.4.v0124 can be downloaded from http://www.knime.org/downloads/update

JChem Extensions Changes
May 25th, 2011: Version 2.3.4.v0124 for KNIME2.3.4 and JChem5.4.1.1

New Features and improvements
Marvin/JChem 5.4.1.1 are used.
Node repository tree has been changed based on JChem/Marvin products.

New Nodes
-Structure Checker
Filtering drawing mistakes or special structural elements.

-Predictor
Molecular property prediction as the sum of atomic contributions.

-Pharmacophore Fingerprint
Pharmacophore Fingerprint descriptors.

-ECFP
Extended-Connectivity Fingerprints descriptors.

-MCES
Find the largest common substructure of two molecules.

-TextExtractor
Extract chemical names from text (in KNIME table) and converts them to chemical structures.

Improvements
-Marvin Renderer
Support other structure format than MrvType.
Various options/preferences can be specified in Preference dialog of KNIME File > Preferences menu.

-MolImporter, MolExporter
Performance improvements in importing/exporting.
Export image files.

-Fuse Fragments
Add 'Fragments per molecule/No. of fuse molecules' options.
Add 'Arrange molecules in a 2D square lattice/Number of colums' options.

-Calculator Plugins
Modify GUI and features based on JChem/Marvin updating.

-JChemSearch, JChemUpdate, JChemDelete
The accessible tables are listed based on the database connection information.

-JChemSearch, MolSearch
Performance improvements in structural searching.
Add 'Markush reduction according to the hit' option.
Add 'Allow duplication of the search result' option.
Add 'Add query data to the search result' option.

-R-group Decomposition
Add 'Generate Markush output' option.
Add 'Process all hits' option.
Add 'Hit ordering' option.
Add 'Allow duplication of the search result' option.
Add 'Add query data to the search result' option.

-R-group Composition
Add 'Scaffold modification' option.

-Document Extractor
Support PDF, XML formats.

-MolSimilarity, RxnSimilarity
Add 'Descriptors' options.
Add 'Dissimilarity metric' options.

-Chemical Fingerprint, ECFP, Pharmacophore Fingerprint, BCUT, Reaction Fingerprint
Output fingerprint as Integer data type.

-Reactor
Add 'Generate Unsuccessful reactions' option.

-All nodes
Some nodes (For instance, MarvinSketck, MolImporter, JChemSearch) that have output port support other structure format than MrvType.
All of node that have input port support other structure format than MrvType.

Bugfixes
-Reactor
If check the 'Keep properites' option, the columns order in output table are changed automatically.

-Markush Enumeration
Markush library size returns a wrong value, therefore, the return type is changed from IntCell to LongCell.

-All nodes
Workflow process speed might be dramatic slowdown on KNIME2.3 or later.

Deprecated nodes
MrvConverter
MrvFromCmlConverter
MrvFromMol2Converter
MrvFromMolConverter
MrvFromPdbConverter
MrvFromRxnConverter
MrvFromSdfConverter
MrvFromSmilesConverter
MrvToCmlConverter
MrvToMol2Converter
MrvToMolConverter
MrvToPdbConverter
MrvToRxnConverter
MrvToSdfConverter
MrvToSmilesConverter
MrvToStringConverter

Will be removed. Use the 'MolConverter' node instead.