3468-03-9 4H-1-BENZOPYRAN-8-CARBOXYLIC ACID, 3-METHYL-4-OXO-2-PHENYL-, 2-(DIMETHYLAMINO)ET 4H-1-Benzopyran-8-carboxylic acid, 3-methyl-4-oxo-2-phenyl-, 2-(dimethylamino)ethyl ester, hydrochloride Dimethylaminoethyl 3-methylflavone-8-carboxylate hydrochloride REC 1-0269