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1-Biphenyl-4-yl-piperazine180698-19-5100 % similar Phenylpiperazine92-54-676 % similar 1-(3-Biphenylyl)piperazine115761-61-070 % similar 1-Phenylpiperazine hydrochloride2210-93-768 % similar 1-(4-Chlorophenyl)piperazine38212-33-859 % similar 1-(4-Fluorophenyl)piperazine2252-63-357 % similar 1-(p-Tolyl)piperazine39593-08-357 % similar p-(1-Piperazinyl)phenol56621-48-857 % similar 1-(4-Bromophenyl)piperazine66698-28-057 % similar 4-(1-Piperazinyl)benzonitrile68104-63-256 % similar 1-(4-Pyridyl)piperazine1008-91-953 % similar 1-(4-Chlorophenyl)piperazine hydrochloride13078-12-153 % similar N-(4-Chlorophenyl)piperazine dihydrochloride38869-46-453 % similar 1-(4-(Trifluoromethyl)phenyl)piperazine30459-17-752 % similar 1-(4-Methoxyphenyl)piperazine38212-30-552 % similar 1-(4-Fluorophenyl)piperazine dihydrochloride64090-19-352 % similar 1-(4-Bromophenyl)piperazine monohydrochloride68104-62-152 % similar 1-(3-Methylphenyl)piperazine41186-03-250 % similar 1-(4-Ethoxyphenyl)piperazine46415-29-649 % similar 1-(2-Chlorophenyl)piperazine39512-50-048 % similar