(-)-4-(Dimethylamino)-3-methyl-1,2-diphenyl-2-(propionyloxy)butane (-)-Propoxyphene (R)-alpha-(2-(Dimethylamino)-1-methylethyl)-alpha-phenylbenzeneethanol propanoate (l)-Propoxyphene 2-BUTANOL, 4-(DIMETHYLAMINO)-3-METHYL-1,2-DIPHENYL-, PROPIONATE (ester) 2-Butanol, 4-(dimethylamino)-3-methyl-1,2-diphenyl-, propionate (ester), (-)- 2338-37-6 Benzeneethanol, alpha-((1S)-2-(dimethylamino)-1-methylethyl)-alpha-phenyl-, propanoate (ester), (alphaR)- Benzeneethanol, alpha-(2-(dimethylamino)-1-methylethyl)-alpha-phenyl-, propanoate (ester), (R-(R*,S*))- HSDB 3414 Levopropossifene [DCIT] Levopropoxifeno [INN-Spanish] Levopropoxiphenum Levopropoxyphene Levopropoxyphenum [INN-Latin] alpha-L-4-Dimethylamino-3-methyl-1,2-diphenyl-2-butanol propionate l-Propoxyphene