1-(2-Thiazolyl)piperazine42270-37-1100 % similar Pyrimidinylpiperazine20980-22-747 % similar Pyridinylpiperazine34803-66-243 % similar 1-Piperazinylpyrazine34803-68-443 % similar 2-(1-Piperazinyl)pyrimidine dihydrochloride94021-22-443 % similar 1-(4-Pyridyl)piperazine1008-91-942 % similar 2-Piperazin-1-yl-1,3-benzothiazole55745-83-041 % similar 1-(2-Pyridyl)piperazine monohydrochloride129394-11-239 % similar 1-(4-Methyl-2-pyridinyl)piperazine34803-67-338 % similar 1-(4-Fluorophenyl)piperazine2252-63-337 % similar 2-Piperazinonicotinonitrile84951-44-037 % similar Phenylpiperazine92-54-636 % similar 1-(2-Pyridin-2-yl-ethyl)-piperazine53345-15-636 % similar 2-(Piperazin-1-yl)-4-(trifluoromethyl)pyrimidine179756-91-336 % similar 1-[3-(Trifluoromethyl)-2-pyridinyl]piperazine87394-63-636 % similar 1-(3,5-Dichloro-4-pyridinyl)piperazine175277-80-235 % similar 1-(1-Benzothiophen-4-yl)piperazine hydrochloride913614-18-335 % similar 2-Propylthiazole17626-75-434 % similar 1-(4-Chlorophenyl)piperazine38212-33-834 % similar 1-(3,5-Dichlorophenyl)piperazine55827-50-434 % similar