3-Oxa-9-aza-6-azoniaspiro(5.5)undecane, 9-((4-chlorophenyl)phenylmethyl)-, chloride, hydrochloride 55981-23-2 9-((4-Chlorophenyl)phenylmethyl)-3-oxa-9-aza-6-azoniaspiro(5.5)undecane chloride HCl CRC 7001 N(sup 1)-(4'-Chlorobenzhydryl)-N(sup 4)-spiromorpholino-piperazinium chloride hydrochloride