1-Cyclohexylpiperazine17766-28-874 % similar 4-(1-Pyrrolidinyl)piperidine5004-07-965 % similar 1-(1-Methyl-4-piperidinyl)piperazine23995-88-264 % similar 1,4′-Bipiperidine4897-50-162 % similar 1-(Oxetan-3-yl)piperazine1254115-23-557 % similar 4-(Piperidin-4-yl)morpholine53617-35-957 % similar 1,4′-Bipiperidine, hydrochloride (1:2)4876-60-254 % similar Isopropylpiperazine4318-42-752 % similar 1-Methyl-4-(piperazin-1-yl)piperazine hydrochloride436099-90-048 % similar 1-(1-Methylpropyl)piperazine34581-21-044 % similar 4-(Pyrrolidin-3-yl)morpholine53617-37-141 % similar Diphenylmethylpiperazine841-77-041 % similar 4-(Dimethylamino)piperidine50533-97-639 % similar 1-[Bis(4-fluorophenyl)methyl]piperazine27469-60-937 % similar 1-(10,11-Dihydro-5H-dibenzo[A,D]cyclohepten-5-yl)piperazine69159-50-837 % similar 1-(1-Phenylethyl)piperazine69628-75-737 % similar 1-[2-(1-Pyrrolidinyl)ethyl]piperazine22763-69-536 % similar 4-Cyclopentyl-1-piperazinamine61379-64-436 % similar N-Methyl-4-piperidinamine45584-07-435 % similar 1-Ethylpiperazine5308-25-835 % similar