(+-)-1-Methyl-3-benzoyl-3-(o-bromobenzoyloxy)piperidine hydrochloride 33422-50-3 BENZOIC ACID, o-BROMO-, ESTER with 3-HYDROXY-1-METHYL-3-PIPERIDYL PHENYL KETONE, Benzoic acid, o-bromo-, ester with 3-hydroxy-1-methyl-3-piperidyl phenyl ketone, monohydrochloride, (+-)-