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1-Methylpiperazine dihydrochloride34352-59-532 % similar Cyclen tetrahydrochloride10045-25-732 % similar Piperazine hydrochloride142-64-332 % similar 1,4,8,12-Tetraazacyclopentadecane15439-16-432 % similar Cyclam295-37-432 % similar 1,4-Diazacycloheptane505-66-832 % similar 1,4,7-Triazacyclononane trihydrochloride58966-93-132 % similar Benzyl 1,4-diazepane-1-carboxylate117009-97-932 % similar 1-(2,3-Dichlorophenyl)piperazine hydrochloride119532-26-232 % similar 1-(3-Methylphenyl)piperazine dihydrochloride13078-13-232 % similar Diphenidol hydrochloride3254-89-532 % similar 1-Benzylpiperazin-2-one59702-21-532 % similar 1-[2(2-Hydroxyethoxy)ethyl]piperazine dihydrochloride85293-16-932 % similar 2-[Bis(phenylmethyl)amino]ethanol101-06-432 % similar Clemizole hydrochloride1163-36-631 % similar 1-Cyclopropylpiperazine dihydrochloride139256-79-431 % similar 1,4-Oxazepane hydrochloride178312-62-431 % similar 1-Methylhomopiperazine4318-37-031 % similar 1-(3,4-Dimethoxyphenyl)piperazine hydrochloride16015-72-831 % similar 1-(2,3-Dimethylphenyl)piperazine hydrochloride80836-96-031 % similar