(+-)-3-(Dimethylamino)-1,2-diphenyl-2-butanol propionate (ester) hydrochloride 2-Butanol, 3-(dimethylamino)-1,2-diphenyl-, propionate (ester), hydrochloride, (+-)- EL2560000 dl-1,2-Diphenyl-3-dimethylamino-2-propionyloxybutane hydrochloride