2-Phenylhydracrylic acid,d,l-, 2-(diethylamino)ethyl ester hydrochloride 63815-31-6 Benzeneacetic acid, alpha-(hydroxymethyl)-, 2-(diethylamino)ethyl ester, hydrochloride, (+-)- Propionic acid, 3-hydroxy-2-phenyl-, 2-(diethylamino)ethyl ester, hydrochloride, (d,l)- d,l-Tropic acid 2-(diethylamino)ethyl ester hydrochloride