1-Propanol, 3-(diethylamino)-, (2,2-diphenylethoxy)acetate (ester), hydrochloride 29915-43-3 3-(Diethylamino)propyl (2,2-diphenylethoxy)acetate hydrochloride Acetic acid, (2,2-diphenylethoxy)-, 3-(diethylamino)propyl ester, hydrochloride Etpenal Etpenal hydrochloride