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Piperazine-1-sulfonic acid dimethylamide98961-97-8100 % similar 1-(1-Piperidinylsulfonyl)piperazine500587-48-459 % similar 1-Methanesulfonyl-piperazine55276-43-250 % similar 1-Ethylsulfonyl-piperazine62937-96-647 % similar Methylpiperazine109-01-338 % similar 1-[(4-Methylphenyl)sulfonyl]piperazine27106-51-038 % similar 1-Benzenesulfonyl-piperazine14172-55-537 % similar 1-Methylpiperazine dihydrochloride34352-59-534 % similar 1-(4-Chloro-benzenesulfonyl)-piperazine16017-53-134 % similar 1-[2-(Dimethylamino)ethyl]piperazine3644-18-633 % similar Piperazine-1-carboxylic acid dimethylamide41340-78-733 % similar 1-Methylhomopiperazine4318-37-033 % similar N,N-Dimethyl-2-(piperazin-1-yl)acetamide39890-43-231 % similar 1-Acetylpiperazine13889-98-031 % similar N,N-Dimethyl-1-piperazinepropanamine877-96-331 % similar 1-Ethylpiperazine5308-25-831 % similar N'-(3-(Dimethylamino)propyl)-N,N-dimethyl-1,3-propanediamine6711-48-431 % similar 1-(1-Methyl-4-piperidinyl)piperazine23995-88-230 % similar 1-Propylpiperazine21867-64-130 % similar 1-tert-Butylpiperazine38216-72-730 % similar