3-Ethyl chromone 2-carboxylate d'ethyle [French] 3-Ethyl-4H-1-benzopyran-2-carboxylic acid ethyl ester 4H-1-Benzopyran-2-carboxylic acid, 3-ethyl-, ethyl ester 5-6-Benzo 3-ethyl comanate d'ethyle [French] DJ2278000 L.B.C. 217