4H-1-Benzopyran-4-one, 8-((dimethylamino)methyl)-2-ethyl-7-hydroxy-3-methyl-, hydrochloride 67195-68-0 8-(Dimethylamino)methyl-2-ethyl-7-hydroxy-3-methylchromone hydrochloride CHROMONE, 8-(DIMETHYLAMINO)METHYL-2-ETHYL-7-HYDROXY-3-METHYL-, HYDROCHLORIDE Chromone, 8-(dimethylaminomethyl)-2-ethyl-7-hydroxy-3-methyl-, hydrochloride