4-Methyl-4,7-diazaspiro[2.5]octane dihydrochloride1152111-72-2100 % similar 1-Methylpiperazine dihydrochloride34352-59-541 % similar tert-Butyl 4,7-diazaspiro(2.5)octane-4-carboxylate674792-08-637 % similar 3,3-Difluoropyrrolidine hydrochloride163457-23-634 % similar 4-Methoxy-4-methylpiperidine hydrochloride3970-73-832 % similar 3,3-Difluoropiperidine hydrochloride496807-97-732 % similar 4-(2,2,2-Trifluoroethyl)piperazine bishydrochloride13349-91-231 % similar 1-Cyclopropylpiperazine dihydrochloride139256-79-431 % similar Methylpiperazine109-01-331 % similar