Substituted phenidates CompoundStructure Substituted amphetaminesSubstituted phenidates Methylphenidate (MPH) 4-Methylmethylphenidate (4-MMPH) Ethylphenidate (EPH) 4-Fluoromethylphenidate (4-FMPH) Desoxypipradrol (2-DPMP) Isopropylphenidate (IPH) Propylphenidate (PPH) 4-Fluoroethylphenidate (4-FEPH) Pipradrol Triprolidine Methylnaphthidate (HDMP-28) Ethylnaphthidate (HDEP-28) 3,4-Dichloromethylphenidate (3,4-DCMP)