510-83-8 BUTYRIC ACID, 2-(DIMETHYLAMINOMETHYL)-2-PHENYL-, BENZYL ESTER, HYDROCHLORIDE Benzeneacetic acid, alpha-((dimethylamino)methyl)-alpha-ethyl-, phenylmethyl ester, HCl Benzyl-beta-dimethyl-amino-alpha-phenyl-alpha-ethyl-propionate hydrochloride DL 219 Hydratropic acid, beta-(dimethylamino)-alpha-ethyl-, benzyl ester, hydrochloride (8CI)