The "Structure Search" feature is used to locate substances by chemical structure. Simply draw a structure or structure fragment in the editor provided and click the search button. Java-VM and JavaScript have to be enabled in your browser! JME Editor courtesy of Peter Ertl, Novartis.
This option allows fast and convenient creation of common organic substituents. Select simply a substituent from the menu and click atom in the JME drawing area to which substituent should be added.
Functional Groups:
You can block substituents at a particular position by drawing explicit hydrogen atoms.
You must add a bond and then add a hydrogen using the X atom function (symbol H). Click on the 'X', a window will open.
In this window you can also enter other atoms i.e. Si, Na, Se, etc.