131924-44-2 4H-1-Benzopyran-4-one, 6-bromo-2-(1-methyl-1H-1,2,3-triazol-5-yl)- 6-Bromo-2-(1-methyl-1H-1,2,3-triazol-5-yl)-4H-1-benzopyran-4-one BRN 4195903