3468-07-3 4H-1-BENZOPYRAN-8-CARBOXYLIC ACID, 3-METHYL-4-OXO-2-PHENYL-, 3-(DIMETHYLAMINO)PR 4H-1-Benzopyran-8-carboxylic acid, 3-methyl-4-oxo-2-phenyl-, 3-(dimethylamino)propyl ester, hydrochloride REC 7-0248