4H-1-Benzopyran-4-one, 8-((dimethylamino)methyl)-3-ethyl-7-hydroxy-2-methyl-, hydrochloride 67195-69-1 8-(Dimethylamino)methyl-3-ethyl-7-hydroxy-2-methylchromone hydrochloride CHROMONE, 8-(DIMETHYLAMINO)METHYL-3-ETHYL-7-HYDROXY-2-METHYL-, HYDROCHLORIDE Chromone, 8-(dimethylaminomethyl)-3-ethyl-7-hydroxy-2-methyl-, hydrochloride