4-Pyrrolidinylpyridine2456-81-764 % similar Phenylpiperazine92-54-662 % similar 1-(4-Chlorophenyl)piperazine38212-33-857 % similar 1-Phenylpiperazine hydrochloride2210-93-755 % similar 1-(4-Fluorophenyl)piperazine2252-63-355 % similar 1-(4-Methylphenyl)piperazine39593-08-355 % similar 1-(4-Hydroxyphenyl)piperazine56621-48-855 % similar 1-(4-Chlorophenyl)piperazine hydrochloride13078-12-152 % similar N-(4-Chlorophenyl)piperazine dihydrochloride38869-46-452 % similar 1-[4-(Trifluoromethyl)phenyl]piperazine30459-17-750 % similar 1-(4-Methoxyphenyl)piperazine38212-30-550 % similar 1-(4-Bromophenyl)piperazine monohydrochloride68104-62-150 % similar 4-(1-Piperazinyl)benzonitrile68104-63-250 % similar 1-(3,5-Dichloro-4-pyridinyl)piperazine175277-80-247 % similar Pyridinylpiperazine34803-66-247 % similar 2-(1-Piperazinyl)pyrazine34803-68-447 % similar 1-(3,4-Dichlorophenyl)piperazine57260-67-047 % similar 1-(3-Chlorophenyl)piperazine6640-24-047 % similar Pyrimidinylpiperazine20980-22-747 % similar 1-(3,5-Dichlorophenyl)piperazine55827-50-447 % similar