(-)-6-(Dimethylamino)-4,4-diphenyl-3-heptanol acetate (ester) 34433-66-4 Benzeneethanol, beta-(2-(dimethylamino)propyl)-alpha-ethyl-beta-phenyl-, acetate (ester), (-)- Levacetilmetadol [INN-Spanish] Levacetylmethadolum [INN-Latin] Levomethadyl acetate Levomethadyl acetate [USAN]