1977-10-2 2-Chloro-11-(4-methyl-1-piperazinyl)dibenz(b,f)(1,4)oxazepine monohydrochloride 54810-23-0 Dibenz(b,f)(1,4)oxazepine, 2-chloro-11-(4-methyl-1-piperazinyl)-, monohydrochloride Loxapine hydrochloride