2,3-Dimethyl-8-(dimethylaminomethyl)-7-ethoxychromone hydrochloride 38035-27-7 4H-1-Benzopyran-4-one, 8-((dimethylamino)methyl)-7-ethoxy-2,3-dimethyl-, hydrochloride CHROMONE, 2,3-DIMETHYL-8-(DIMETHYLAMINOMETHYL)-7-ETHOXY-, HYDROCHLORIDE