Work your way through this updated tutorial to view tips to help you effectively search for drugs, chemicals and other substances in PubMed.
There are nine brief modules with video demonstrations. You’ll find guidance on substance-related Medical Subject Headings (MeSH), using the MeSH Database, searching with pharmacological action terms, converting special characters in systematic names, and using tags in searching.
When you’re done, there’s a quiz. You can find the tutorial at this URL: http://www.nlm.nih.gov/bsd/disted/drugs/intro.html