Synonyms: Levomethadyl acetate hydrochloride [USAN];(-)-(3S,6S)-6-(Dimethylamino)-4,4-diphenyl-3-heptanol acetate (ester), hydrochloride;Benzeneethanol, beta-(2-(dimethylamino)propyl)-alpha-ethyl-beta-phenyl-, acetate (ester), hydrochloride, (S-(R*,R*))-;CCRIS 3321;LAAM hydrochloride;Levacetyl methadol hydrochloride;Levomethadyl acetate HCl;MK 790;Orlaam;alpha-l-Acetylmethadol hydrochloride;l-Acetylmethadol hydrochloride;l-alpha-Acetylmethadol hydrochloride;3-Heptanol, 6-(dimethylamino)-4,4-diphenyl-, acetate (ester), hydrochloride, (3S,6S)-(-)-;5-(acetyloxy)-N,N-dimethyl-4,4-diphenylheptan-2-aminium chloride;(3S,6S)-6-(dimethylamino)-4,4-diphenylheptan-3-yl acetate hydrochloride (1:1)