2-(1-Piperazinyl)pyrimidine dihydrochloride94021-22-4100 % similar Pyrimidinylpiperazine20980-22-788 % similar 1-(2-Pyridyl)piperazine monohydrochloride129394-11-261 % similar Pyridinylpiperazine34803-66-252 % similar 1-Phenylpiperazine hydrochloride2210-93-750 % similar 1-(3-Chlorophenyl)piperazine hydrochloride13078-15-443 % similar N-(2-Chlorophenyl)piperazine monohydrochloride41202-32-843 % similar 1-(3-Chlorophenyl)piperazine dihydrochloride51639-49-743 % similar Piperazine, 1-(3-chlorophenyl)-, hydrochloride (1:?)65369-76-843 % similar 1-(4-Chlorophenyl)piperazine hydrochloride13078-12-143 % similar 2-(1-Piperazinyl)pyrazine34803-68-443 % similar N-(4-Chlorophenyl)piperazine dihydrochloride38869-46-443 % similar 1-(2-Thiazolyl)piperazine42270-37-143 % similar 1-[3-(Trifluoromethyl)-2-pyridinyl]piperazine87394-63-643 % similar 1-(4-Bromophenyl)piperazine monohydrochloride68104-62-142 % similar 3-(1-Piperazinyl)-1,2-benzisothiazole hydrochloride144010-02-641 % similar 3-Piperazin-1-yl-benzo[D]isothiazole hydrochloride87691-88-141 % similar 1-(2,3-Dichlorophenyl)piperazine hydrochloride119532-26-241 % similar 1-(3-Methylphenyl)piperazine dihydrochloride13078-13-241 % similar Phenylpiperazine92-54-641 % similar