Flavonols
2-Phenyl-3-Hydroxy-Benzopyran-4-Ones; 3-hydroxy-4-keto-Flavonoids; 2 Phenyl 3 Hydroxy Benzopyran 4 Ones; 3 hydroxy 4 keto Flavonoids
A group of 3-hydroxy-4-keto-FLAVONOIDS.