2H-1-Benzopyran-2-one, 3-(2,6-dimethylphenyl)-4-hydroxy- 3-(2,6-Dimethylphenyl)-4-hydroxy-2H-1-benzopyran-2-one 3-(2,6-Dimethylphenyl)-4-hydroxycoumarin 73791-12-5 BRN 1289088 COUMARIN, 3-(2,6-DIMETHYLPHENYL)-4-HYDROXY-