Substituted phenylpiperazines CompoundStructure Substituted anilinesSubstituted piperazinesSubstituted phenylpiperazines Phenylpiperazine (PP) 2-Methylphenylpiperazine (oMPP) 4-Methylphenylpiperazine (4-MPP) 4-Fluorophenylpiperazine (4-FPP) 2,3-Dimethylphenylpiperazine (2,3-DMPP) 4-Methoxyphenylpiperazine (pMeOPP) 3-Chlorophenylpiperazine (3-CPP) 4-Chlorophenylpiperazine (4-CPP) 4-Nitrophenylpiperazine (pNPP)