40680-72-6 5-BENZOFURANMETHANOL, 4,7-DIMETHOXY-6-(2-(DIMETHYLAMINO)ETHOXY)-alpha-(2-PHENYLE 5-Benzofuranmethanol, 4,7-dimethoxy-6-(2-(dimethylamino)ethoxy)-alpha-(2-phenylethyl)-, oxalate (1:1) (salt)