the structural feature in the phenethylamine series tested , which appeared to be necessary for lipase inhibition , was a halogenated substituent on the 3 or 4 position of the aromatic ring as in flutiorex , fenfluramine , n-benzyl-beta-methoxy-3- ( trifluoromethyl ) phenethylamine ( i ) , chlorphentermine and p-chloroamphetamine .
C0015827
fenfluramine
C0031399
phenethylamine