1-Octylpiperazine54256-45-031 % similar 1-(Cyclohexylmethyl)piperazine57184-23-331 % similar 1-Decylpiperazine63207-03-431 % similar 1-Heptylpiperazine82502-77-031 % similar 1-Piperazineethanol103-76-431 % similar N,N-Diisopropylethylenediamine121-05-131 % similar Aminoethylpiperazine140-31-831 % similar 1-Piperazinecarboxaldehyde7755-92-231 % similar N,N-Diisopropylaminoethanol96-80-031 % similar (-)-1-[(4-Chlorophenyl)phenylmethyl]piperazine130018-88-131 % similar 1-(4-Fluoro-alpha-phenylbenzyl)piperazine27064-89-731 % similar (-)-1-[(4-Chlorophenyl)phenylmethyl]piperazine300543-56-031 % similar Norchlorcyclizine303-26-431 % similar 1-(2-Ethoxyethyl)piperazine13484-38-330 % similar N'-(2-Diethylaminoethyl)ethane-1,2-diamine24426-16-230 % similar Piperazine-1-carboxylic acid dimethylamide41340-78-730 % similar 1-Ethylsulfonyl-piperazine62937-96-630 % similar Piperazine-1-sulfonic acid dimethylamide98961-97-830 % similar