Synonyms: 3-Heptanol,6-(dimethylamino)-4,4-diphenyl-, acetate (ester), (3S,6S)-(-)- (8CI);Benzeneethanol, b-[(2S)-2-(dimethylamino)propyl]-a-ethyl-b-phenyl-, acetate (ester), (aS)- (9CI); Benzeneethanol, b-[2-(dimethylamino)propyl]-a-ethyl-b-phenyl-, acetate (ester),[S-(R*,R*)]-; (-)-6-(Dimethylamino)-4,4-diphenyl-3-heptanol acetate (ester);(-)-a-Acetylmethadol; LAAM;Levacetylmethadol; Levo-a-acetylmethadol; Levomethadyl; Levomethadyl acetate; l-a-Acetylmethadol; a-(-)-Acetylmethadol; a-l-Acetylmethadol