Link: NCI/CADD Chemical Identifier Resolver
Input a chemical name: Output structure, formula,...
Example: Enter 'Benzene' in 'Structure Identifier' and click 'Structure' When the popup window has completed click 'Done'
In the main window again select 'TwirlyMol (3D)' and click 'Submit' generates the following webpage:
Link: Benzene: Twirly 3D Model [Requires Java]