1-Propylpiperazine21867-64-135 % similar 1-Hexylpiperazine51619-55-734 % similar 1-Octylpiperazine54256-45-034 % similar 1-Decylpiperazine63207-03-434 % similar 1-Heptylpiperazine82502-77-034 % similar 1-Methyl-4-(piperazin-1-yl)piperazine hydrochloride436099-90-034 % similar Methylpiperazine109-01-333 % similar 1-(2-Ethoxyethyl)piperazine13484-38-333 % similar 1-[Bis(4-fluorophenyl)methyl]piperazine27469-60-933 % similar 1-(4,4'-Dichlorobenzhydryl)piperazine27469-61-033 % similar 1-[2-(Dipropylamino)ethyl]piperazine496808-01-633 % similar Hexahydro-1H-furo[3,4-C]pyrrole60889-32-933 % similar 1-(10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-yl)piperazine69159-50-833 % similar 1-(1-Phenylethyl)piperazine69628-75-733 % similar 1-[2-(2-Hydroxyethoxy)ethyl]piperazine13349-82-132 % similar Morpholin-4-yl-piperazin-1-yl-methanone98834-08-332 % similar N-Isobutyl piperazine5308-28-132 % similar 1-[2-(1-Pyrrolidinyl)ethyl]piperazine22763-69-532 % similar Morpholine110-91-832 % similar 1-(2-Methoxyethyl)piperazine13484-40-731 % similar