2-(Diethylamino)ethyl alpha-(2-phenylethyl)benzenebutanoate hydrochloride Benzenebutanoic acid, alpha-(2-phenylethyl)-, 2-(diethylamino)ethyl ester, hydrochloride Butyric acid, 2-phenethyl-4-phenyl-, 2-(diethylamino)ethyl ester, hydrochloride CY9053550 Diphenethylacetic acid, 2-(diethylamino)ethyl ester, hydrochloride