5,7-Dihydroxy-3-(4-hydroxyphenyl)-6-methoxy-4H-chromen-4-one

6-Methoxy-5,7-dihydroxy-3-(4-hydroxyphenyl)-4H-1-benzopyran-4-one

5,7-Dihydroxy-3-(4-hydroxyphenyl)-6-methoxy-4H-1-benzopyran-4-one