1-(3-Trifluoromethylphenyl)piperazine hydrochloride16015-69-3 1-(3,4-Dichlorophenyl)piperazine57260-67-0 1-(3,4-Dimethoxyphenyl)piperazine hydrochloride16015-72-8 1-(3,4-Dimethylphenyl)piperazine1014-05-7 1-(3,5-Bis(trifluoromethyl)phenyl)piperazine16172-96-6 1-(3,5-Dichloro-4-pyridinyl)piperazine175277-80-2 1-(3,5-Dichlorophenyl)piperazine55827-50-4 1-(4-Acetylphenyl)piperazine51639-48-6 1-(4-Bromophenyl)piperazine monohydrochloride68104-62-1 1-(4-Chloro-benzenesulfonyl)-piperazine16017-53-1 1-(4-Chlorophenyl)piperazine38212-33-8 1-(4-Chlorophenyl)piperazine hydrochloride13078-12-1 1-(4-Fluorobenzyl)piperazine 2,2,2-trifluoroacetate435345-45-2 1-(4-Fluorophenyl)piperazine2252-63-3 1-(4-Hydroxyphenyl)piperazine56621-48-8 1-(4-Methoxyphenyl)piperazine38212-30-5 1-(4-Methoxyphenyl)piperazine hydrochloride84145-43-7 1-(4-Methyl-2-pyridinyl)piperazine34803-67-3 1-(4-Methylphenyl)piperazine39593-08-3 1-(4-Nitrophenyl)piperazine6269-89-2