How to enter a query ?

This applet allows you to draw the substructure you are looking for and search for all the products containing this structure.

Keyboard shortcuts:

  • bonds -,=,#
  • rings 3..8, Ph is 1
  • atoms C,N,O,P,S,F,L,B,I
  • Esc - return to the standard state (C, single bond)

Molecules may by moved by "dragging" free space and rotated by pressing concurrently also the shift key

This Java Applet was realized by Peter Ertl and Bruno Bienfait.