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1-(2-Bromophenyl)piperazine1011-13-841 % similar 1-Biphenyl-4-yl-piperazine180698-19-541 % similar 1-(2,3-Dimethylphenyl)piperazine hydrochloride80836-96-040 % similar 1-(5-Nitro-2-pyridyl)-1,4-diazepane287114-27-640 % similar 2-(N-Methyl-N-(2-pyridyl)amino)ethanol122321-04-440 % similar Piperazine, 1-(3,4-dichlorophenyl)-, hydrochloride (1:2)76835-17-140 % similar 2-(Piperazin-1-yl)-4-(trifluoromethyl)pyrimidine179756-91-340 % similar 1-(2-Fluorophenyl)piperazine1011-15-039 % similar 2-(1-Piperazinyl)phenol1011-17-239 % similar 1-(2-Chlorophenyl)piperazine39512-50-039 % similar 2-Mepp39512-51-139 % similar 1-(2-Thiazolyl)piperazine42270-37-139 % similar 1-[4-(Trifluoromethyl)pyrimidin-2-yl]-1,4-diazepane238403-48-039 % similar N-(4-Methoxyphenyl)piperazine dihydrochloride38869-47-539 % similar Benzoylpiperazine hydrochloride56227-55-539 % similar 1-(4-Methoxyphenyl)piperazine hydrochloride84145-43-739 % similar TFMPP hydrochloride16015-69-339 % similar 1-(3-Methoxyphenyl)piperazine dihydrochloride6968-76-939 % similar 1-(1-Benzothiophen-4-yl)piperazine hydrochloride913614-18-339 % similar 1-(1-Naphthyl)piperazine57536-86-438 % similar