2-(6-Methyl-4-oxo-3-(thiazol-4-yl)-4H-1-benzopyran-7-yloxy)acetic acid ethyl ester 80761-88-2 Acetic acid, 2-(6-methyl-4-oxo-3-(thiazol-4-yl)-4H-1-benzopyran-7-yloxy)-, ethyl ester BRN 5131622