12H-DIBENZO(a,d)CYCLOOCTENE, 5,6,7-TRIHYDRO-12-(1-METHYL-2-PIPERIDYL)ETHYLIDENE- 12H-Dibenzo(a,d)cyclooctene, 5,6,7-trihydro-12-(1-methyl-2-piperidyl)ethylidene-, hydrochloride 72017-29-9