1-(4-Fluorophenyl)piperazine2252-63-3100 % similar 1-(3-Fluorophenyl)piperazine3801-89-663 % similar 1-(4-Chlorophenyl)piperazine38212-33-861 % similar Phenylpiperazine92-54-659 % similar 1-(4-Methylphenyl)piperazine39593-08-359 % similar 1-(4-Hydroxyphenyl)piperazine56621-48-859 % similar 1-[4-(Trifluoromethyl)phenyl]piperazine30459-17-758 % similar 1-(4-Pyridyl)piperazine1008-91-955 % similar 1-(4-Chlorophenyl)piperazine hydrochloride13078-12-155 % similar N-(4-Chlorophenyl)piperazine dihydrochloride38869-46-455 % similar 1-(2,4-Difluorophenyl)piperazine115761-79-055 % similar 1-Phenylpiperazine hydrochloride2210-93-753 % similar 1-[Bis(4-fluorophenyl)methyl]piperazine27469-60-953 % similar 1-(4-Methoxyphenyl)piperazine38212-30-553 % similar 1-(4-Bromophenyl)piperazine monohydrochloride68104-62-153 % similar 4-(1-Piperazinyl)benzonitrile68104-63-253 % similar 1-(3,4-Dichlorophenyl)piperazine57260-67-050 % similar N-(4-Methoxyphenyl)piperazine dihydrochloride38869-47-549 % similar 1-(4-Acetylphenyl)piperazine51639-48-649 % similar 1-(4-Nitrophenyl)piperazine6269-89-249 % similar