2H-1-BENZOPYRAN-6-CARBOXYLIC ACID, 3-ACETYL-2-OXO-, ETHYL ESTER 3-Acetyl-2-oxo-2H-1-benzopyran-6-carboxylic acid ethyl ester 3-Acetyl-6-carbethoxycoumarin 5-18-08-00582 (Beilstein Handbook Reference) 6468-75-3 BRN 1386325 SC-360