4-Dimethylamino-2,2-diphenyl-3-methyl butanoate, ethyl ester, hydrochloride 63867-14-1 BUTYRIC ACID, 3-(N,N-DIMETHYLAMINO)METHYL-2,2-DIPHENYL-, ETHYL ESTER, HYDROCHLOR Butyric acid, 3-(N,N-dimethylamino)methyl-2,2-diphenyl-, ethyl ester, hydrochloride