Phentermine is a drug that was part of the Fen-phen anti-obesity drug, the other drug being fenfluramine. Fenfluramine was withdrawn from the U.S. market in 1997 after reports of heart valve disease and pulmonary hypertension.

GoldBamboo

... PHENTERMINE (Adipex-P®, Fastin®, Phentamine®, Zantryl®) helps you lose weight. Combined with a reduced calorie diet, it can help you reduce weight by decreasing your appetite. Generic phentermine is available. ...
Drug Digest - more...

Phentermine Systematic (IUPAC) name 2-methyl-1-phenyl-propan-2-am ...
Wikipedia - [full article]

Resources