1,2-Difenyl-4-dimethylamino-3-methyl-2-butylester kyseliny propionove [Czech] 1,2-Diphenyl-2-propionoxy-3-methyl-4-dimethylaminobutane 2-Butanol, 4-(dimethylamino)-3-methyl-1,2-diphenyl-, propionate (ester) 4-(Dimethylamino)-3-methyl-1,2-diphenyl-2-butanol propionate 4-Dimethylamino-3-methyl-1,2-diphenyl-2-propoxybutane 77-50-9 8059-45-8 Benzeneethanol, alpha-(2-(dimethylamino)-1-methylethyl)-alpha-phenyl-, propanoate (ester) Letusin Propionic acid, alpha-(2-dimethylamino-1-methylethyl)-alpha-phenylphenethyl ester Propoxyphene alpha-4-Dimethylamino-1,2-diphenyl-3-methyl-2-butanol propionate alpha-4-Dimethylamino-1,2-diphenyl-3-methyl-4-propionyloxybutane alpha-4-Dimethylamino-3-methyl-1,2-diphenyl-2-butanolpropionate alpha-N,N-Dimethyl-3,4-diphenyl-2-methyl-3-propionoxy-1-butylamine