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1-[(4-Methylphenyl)sulfonyl]piperazine27106-51-033 % similar Benzoylpiperazine hydrochloride56227-55-533 % similar 1-(4-Nitrophenyl)piperazine6269-89-233 % similar N1,N1-Dimethyl-N2-(phenylmethyl)-1,2-ethanediamine103-55-932 % similar 4-Benzylpiperazine hydrochloride110475-31-532 % similar 1-(4-Chlorobenzyl)piperazine23145-88-232 % similar 1-Piperazinylpyrazine34803-68-432 % similar 1-(2-Thiazolyl)piperazine42270-37-132 % similar 1-Benzyl-1,4-diazepane4410-12-232 % similar Benzylpiperazine dihydrochloride5321-63-132 % similar 2-Chlorotoluene95-49-832 % similar (-)-1-[(4-Chlorophenyl)phenylmethyl]piperazine130018-88-132 % similar 6-Piperazinonicotinonitrile149554-29-032 % similar (-)-1-[(4-Chlorophenyl)phenylmethyl]piperazine300543-56-032 % similar Norchlorcyclizine303-26-432 % similar 1-(2,4-Dichlorobenzyl)piperazine51619-56-832 % similar (S)-(+)-2-(2,6-Xylidinomethyl)pyrrolidine70371-56-132 % similar 1-(2-Phenoxyethyl)piperazine13484-37-232 % similar 1-Benzenesulfonyl-piperazine14172-55-532 % similar 1-(3,5-Bis(trifluoromethyl)phenyl)piperazine16172-96-632 % similar