45 to 60 min before the start of the daily session , anorectic drugs , with the exception of ( +/- ) -phenylpropanolamine , produced dose-dependent decreases in food intake , with the following order of potency : phentermine greater than mazindol greater than diethylpropion greater than phendimetrazine = chlortermine = phenmetrazine = chlorphentermine .
C0031447
phentermine
C0008283
chlorphentermine