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1-(4-Ethoxyphenyl)piperazine46415-29-6100 % similar 1-(4-Methoxyphenyl)piperazine38212-30-564 % similar N-(4-Methoxyphenyl)piperazine dihydrochloride38869-47-558 % similar 1-(4-Methoxyphenyl)piperazine hydrochloride84145-43-758 % similar 1-(4-Methylphenyl)piperazine39593-08-355 % similar 1,4-Diethoxybenzene122-95-254 % similar 1-(2-Ethoxyphenyl)piperazine13339-01-053 % similar 1-(4-Chlorophenyl)piperazine38212-33-852 % similar 1-(4-Fluorophenyl)piperazine2252-63-350 % similar 1-(4-Hydroxyphenyl)piperazine56621-48-850 % similar 1-(4-Bromophenyl)piperazine66698-28-050 % similar Phenylpiperazine92-54-650 % similar 1-(2-Ethoxyphenyl)piperazine hydrochloride83081-75-849 % similar 1-Biphenyl-4-yl-piperazine180698-19-549 % similar 1-Chloro-4-ethoxybenzene622-61-748 % similar 1-(4-Chlorophenyl)piperazine hydrochloride13078-12-147 % similar N-(4-Chlorophenyl)piperazine dihydrochloride38869-46-447 % similar 1-(4-Pyridyl)piperazine1008-91-947 % similar 1-(4-Acetylphenyl)piperazine51639-48-646 % similar 1-(3,4-Dimethylphenyl)piperazine1014-05-746 % similar