(S-(R*,R*))-alpha-Ethyl-beta-(2-(methylamino)propyl)-beta-phenylbenzeneethanol acetate (ester), hydrochloride 55096-75-8 Benzeneethanol, alpha-ethyl-beta-(2-(methylamino)propyl)-beta-phenyl-, acetate (ester), hydrochloride, (S-(R*,R*))- alpha-Acetyl-N-normethadol hydrochloride, L-