1-(2-Diisopropylaminoethyl)piperazine59955-93-031 % similar 1-Decylpiperazine63207-03-431 % similar 1-Heptylpiperazine82502-77-031 % similar 1-Piperazineethanol103-76-431 % similar Aminoethylpiperazine140-31-831 % similar 4-Methylpiperidin-4-ol3970-68-131 % similar tert-Butyl 1,4-diazepane-1-carboxylate112275-50-031 % similar 4-(2,2,2-Trifluoroethyl)piperazine bishydrochloride13349-91-230 % 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-Methyl-4-(piperidin-4-yl)piperazine53617-36-030 % similar 1-Ethylsulfonyl-piperazine62937-96-630 % similar Piperazine-1-sulfonic acid dimethylamide98961-97-830 % similar