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1-(3-Chlorophenyl)piperazine dihydrochloride51639-49-733 % similar 1-(2-Pyridin-2-yl-ethyl)-piperazine53345-15-633 % similar 1-(3-Chlorophenyl)piperazine monohydrochloride65369-76-833 % similar Piperazine, 1-(3,4-dichlorophenyl)-, hydrochloride (1:2)76835-17-133 % similar 1-(2-Bromophenyl)piperazine1011-13-833 % similar 1-Biphenyl-4-yl-piperazine180698-19-533 % similar 1-((Pyridin-4-yl)methyl)piperazine62089-74-133 % similar 6-Methylquinoxaline6344-72-532 % similar 1-(3-Methoxyphenyl)piperazine dihydrochloride6968-76-932 % similar N-(4-Methoxyphenyl)piperazine dihydrochloride38869-47-532 % similar 1-(4-Acetylphenyl)piperazine51639-48-632 % similar 1-(4-Methoxyphenyl)piperazine hydrochloride84145-43-732 % similar 2-(1-Piperazinyl)phenol1011-17-232 % similar 1-(4-Chlorophenyl)piperazine hydrochloride13078-12-132 % similar 1-(3,5-Dichloro-4-pyridinyl)piperazine175277-80-232 % similar N-(4-Chlorophenyl)piperazine dihydrochloride38869-46-432 % similar 1-(6-Nitropyridin-3-yl)piperazine775288-71-631 % similar 1-(2,3-Dichlorophenyl)piperazine hydrochloride119532-26-231 % similar 1-(2-Ethoxyphenyl)piperazine13339-01-031 % similar 1-[3-(Trifluoromethyl)phenyl]piperazine15532-75-931 % similar