4H-1-Benzopyran-4-one, 8-((diethylamino)methyl)-3-ethyl-7-hydroxy-2-methyl-, hydrochloride 67195-58-8 8-(Diethylaminomethyl)-3-ethyl-7-hydroxy-2-methylchromone hydrochloride CHROMONE, 8-(DIETHYLAMINOMETHYL)-3-ETHYL-7-HYDROXY-2-METHYL-, HYDROCHLORIDE