4-dimethylamino-3-methyl-1,2-diphenyl-2-butyl propionate

[4-(dimethylamino)-3-methyl-1,2-di(phenyl)butan-2-yl] propanoate

Propionic acid 3-(dimethylamino)-2-methyl-1-phenyl-1-benzylpropyl ester

propionic acid [1-(benzyl)-3-(dimethylamino)-2-methyl-1-phenyl-propyl] ester

Benzeneethanol, .alpha.-2-(dimethylamino)-1-methylethyl-.alpha.-phenyl-, propanoate (ester)