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1-Cyclopentylpiperazine21043-40-333 % similar 1-(1-Methyl-4-piperidinyl)piperazine23995-88-233 % similar 1,2-Dimethyl-piperazine25057-77-633 % similar 1-Methylpiperazine dihydrochloride34352-59-533 % similar 1-tert-Butylpiperazine38216-72-733 % similar 4-(3-Methyl-piperidin-1-yl)-piperidine551923-14-933 % similar (2R)-1,2-Dimethylpiperazine623586-02-733 % similar 1-[2-(2,5-Dimethyl-1H-pyrrol-1-yl)ethyl]piperazine5059-36-932 % similar 1-(1-Phenylethyl)piperazine69628-75-732 % similar 4-(2,2,2-Trifluoroethyl)piperazine bishydrochloride13349-91-232 % similar 1-Benzylpiperazine2759-17-332 % similar 1-Benzylpiperazine2759-28-632 % similar 2-(Piperazin-1-yl)-acetic acid H2O37478-58-332 % similar 1-(2-Phenylethyl)piperazine5321-49-332 % similar 1-(Oxetan-3-yl)piperazine1254115-23-532 % similar 1-Cyclopropylpiperazine dihydrochloride139256-79-432 % similar 1,1′,1′′,1′′′-[[(2-Hydroxypropyl)imino]bis(2,1-ethanediylnitrilo)]tetrakis[2-propanol]17121-34-532 % similar 1-Cyclohexylpiperazine17766-28-832 % similar 1-Cycloheptylpiperazine21043-42-532 % similar 1-Cyclooctylpiperazine21043-43-632 % similar