3468-08-4 4H-1-BENZOPYRAN-8-CARBOXYLIC ACID, 3-METHYL-4-OXO-2-PHENYL-, 3-(DIETHYLAMINO)PRO 4H-1-Benzopyran-8-carboxylic acid, 3-methyl-4-oxo-2-phenyl-, 3-(diethylamino)propyl ester, hydrochloride REC 1-0473