5,7,8-trihydroxy-2-(4-hydroxyphenyl)chromen-4-one 5,7,8-trihydroxy-2-(4-hydroxyphenyl)-4-chromenone 5,7,8-trihydroxy-2-(4-hydroxyphenyl)chromone 41440-05-5 8-Hydroxyapigenin C10097 Isoscutellarein