Context: Right-clicking on an atom.
Duplicate: Takes a copy from the atom in context.
+ R-group attachment: gives an R-group attachment to the atom
- R-group attachment: removes an R-group attachment from the atom
Atom Properties: opens the Atom properties dialog window.
Absolute stereo (chiral)* : Sets the "Absolute" chiral flag on the entire structure, indicating that the molecule represents a single, well-defined stereoisomer.
*Absolute stereo flag is displayed only when the chiral flag visibility is turned on in View Settings dialog.