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4-(1-Piperazinyl)benzonitrile68104-63-2100 % similar 6-Piperazinonicotinonitrile149554-29-060 % similar Phenylpiperazine92-54-659 % similar 1-Biphenyl-4-yl-piperazine180698-19-556 % similar 1-(4-Chlorophenyl)piperazine38212-33-855 % similar 1-Phenylpiperazine hydrochloride2210-93-753 % similar 1-(4-Fluorophenyl)piperazine2252-63-353 % similar 1-(p-Tolyl)piperazine39593-08-353 % similar p-(1-Piperazinyl)phenol56621-48-853 % similar 1-(4-Bromophenyl)piperazine66698-28-053 % similar 1-(2-Cyanophenyl)piperazine111373-03-651 % similar 1-(4-Pyridyl)piperazine1008-91-950 % similar 1-(4-Chlorophenyl)piperazine hydrochloride13078-12-150 % similar N-(4-Chlorophenyl)piperazine dihydrochloride38869-46-450 % similar 1-(4-(Trifluoromethyl)phenyl)piperazine30459-17-749 % similar 1-(4-Methoxyphenyl)piperazine38212-30-549 % similar 1-(4-Fluorophenyl)piperazine dihydrochloride64090-19-349 % similar 1-(4-Bromophenyl)piperazine monohydrochloride68104-62-149 % similar 4-(Dimethylamino)benzonitrile1197-19-947 % similar 4-Cyanobenzyl chloride874-86-247 % similar