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1-(3-Chlorophenyl)piperazine6640-24-039 % similar Intepirdine607742-69-839 % similar Catechol120-80-938 % similar Quipazine4774-24-738 % similar 1-(4-Pyridyl)piperazine1008-91-938 % similar Pyrimidinylpiperazine20980-22-738 % similar 1-Benzylpiperazine2759-17-338 % similar 1-Benzylpiperazine2759-28-638 % similar 1-(4-Chlorophenyl)piperazine38212-33-838 % similar 1-(2-Phenylethyl)piperazine5321-49-338 % similar 1-(3-Fluorophenyl)piperazine3801-89-638 % similar 4-(1-Piperazinyl)benzonitrile68104-63-238 % similar 1-(1-Phenylethyl)piperazine69628-75-738 % similar 2-Piperazin-1-yl-1,3-benzothiazole55745-83-038 % similar 1-(5-Chloro-2-methylphenyl)piperazine76835-20-638 % similar 3-(1-Piperazinyl)-1,2-benzisothiazole87691-87-038 % similar 1-(4-Fluorophenyl)piperazine2252-63-337 % similar 1-(p-Tolyl)piperazine39593-08-337 % similar 1-(4-Bromophenyl)piperazine66698-28-037 % similar Diphenylmethylpiperazine841-77-037 % similar