Substituted phenylmorpholines CompoundStructure Substituted amphetamines Phenmetrazine 2-Phenyl-3,5-dimethylmorpholine (3,5-DMPM) 2-Phenyl-3,6-dimethylmorpholine (3,6-DMPM) Fenmetramide Phendimetrazine Phenetrazine Phenmetetrazine 3,4-Methylenedioxyphenmetrazine (MDPM) Radafaxine Fenbutrazate