Drawing
structures Having obtained the plugin it is
possible to draw a chemical structure or substructure as a search item. To do
this decide whether you wish to search for a sub-structure or for a complete structure
match and then click the 'Draw Query' button (see below).
The
drawing plugin A new window, as illustrated below,
will then open. For further information on how to draw chemical structures please
consult the help menu.

Fig. 3: The drawing structure window.
When you have
completed drawing your structure or sub-structure you simply click the 'add structure
to search query' button which will take you to the screen shown on the following
page. Then choose either 'Exact Match' or 'Substructure' and then press 'Submit
Search'.