Round out your introductory tour with a visit to BioCyc's representation of compounds.

The Structured Advanced Query Page

BioCyc Webinars: The BioCyc Webinar series introduces users 
    to the basic and advanced features of the BioCyc website and the Pathway 
    Tools software system via a combination of narration and practical 
    demonstration. Tour one of our many model organism databases or
    make your own, all with BioCyc and Pathway Tools.