Substituted diarylethylamines CompoundStructure Substituted amphetamines Ephenidine Lefetamine Isopropylphenidine (NPDPA) 3,4-Methylenedioxymephenidine Alpha-Phenyl-alpha-pyrrolidinoacetophenone (A-D2PV) Diphenidine (DPD) Fluorolintane (2-FPPP) Methoxphenidine (MXP) Indapyrophenidone