the adsorption of phenethylamines ( dextroamphetamine , phentermine , mephentermine , diethylpropion ) , choline , and phenylimidazoles ( levamisole and imazalil ) was examined in vitro in aqueous solutions on bentonite and on lewatite at 25 degrees c .
C0031447
phentermine
C0025380
mephentermine