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1-tert-Butylpiperazine38216-72-7100 % similar tert-Butyldiethanolamine2160-93-248 % similar Methylpiperazine109-01-341 % similar 1-(1-Adamantyl)piperazine19984-46-441 % similar 1-Cyclopropylpiperazine20327-23-539 % similar 1-Ethylpiperazine5308-25-838 % similar 1-Cyclopentylpiperazine21043-40-336 % similar 1-Propylpiperazine21867-64-136 % similar 1-Methylpiperazine dihydrochloride34352-59-536 % similar Isopropylpiperazine4318-42-736 % similar 1-Piperazinecarboxaldehyde7755-92-236 % similar 1-(1-Methyl-4-piperidinyl)piperazine23995-88-236 % similar 1-Formylhomopiperazine29053-62-136 % similar 1-tert-Butyl-3-hydroxyazetidine13156-04-235 % similar 1-Cyclopropylpiperazine dihydrochloride139256-79-435 % similar 1-Cyclohexylpiperazine17766-28-835 % similar 1-Cycloheptylpiperazine21043-42-535 % similar 1-Cyclooctylpiperazine21043-43-635 % similar 1-[2-(Dimethylamino)ethyl]piperazine3644-18-635 % similar N,N-Diethyl-2-(piperazin-1-yl)ethan-1-amine4038-92-035 % similar