5-hydroxy-2-(4-hydroxyphenyl)chromen-4-one 5-hydroxy-2-(4-hydroxyphenyl)-4-chromenone 5-hydroxy-2-(4-hydroxyphenyl)chromone 6665-67-4 NCGC00142565-01 ST057730 ZINC00057652 4H-1-Benzoicpyran-4-one, 5-hydroxy-2-(4-hydroxyphenyl)- Oprea1_419278 4',5-Dihydroxyflavone