In the structure area the structure fused image with charges, isotopes and salts/solvates is visible. In order to draw or change a structure just simply click on the structure area and the structure editor will load. The default structur e editor is Marvin for JavaScript. For draw in g structures, optionally you can also use Marvin applet or ChemDraw. To see how the structure editor can be chan ged please con sult the user Profile page.