3-Benzofurancarboxylic acid, 2-(3,4-dimethoxyphenyl)-4-((dimethylamino)methyl)-5-hydroxy-, ethyl ester, hydrochloride DF6492195 Ethyl 2-(3,4-dimethoxyphenyl)-4-((dimethylamino)methyl)-5-hydroxy-3-benzofurancarboxylate HCl