http://www.nlm.nih.gov/medlineplus/druginformation.html
A guide to more than 9,000 prescription and over-the-counter medications
provided by the United States Pharmacopeia (USP) in the USP DI(r) and Advice
for the Patient(r).
http://www.incb.org/e/list/menu.htm
Contains Green List: List of Psychotropic Substances Under International
Control. Red List: List of Precursors and Chemicals Frequently Used in the
Illicit Manufacture of Narcotic Drugs and Psychotropic Substances Under
International Control. Yellow List: List of Narcotic Drugs Under International
Control.