2-Dimethylaminomethyl-3-carboethoxy-5-methoxybenzofuran hydrochloride 3-BENZOFURANCARBOXYLIC ACID, 2-((DIMETHYLAMINO)METHYL)-5-METHOXY-, ETHYL ESTER, 3-Benzofurancarboxylic acid, 2-((dimethylamino)methyl)-5-methoxy-, ethyl ester, hydrochloride 56879-60-8