5,5′,7,7′-Tetrahydroxy-2,2′-bis(4-hydroxyphenyl)-4H,4′H-6,6′-bichromene-4,4′-dione

5,5′,7,7′-Tetrahydroxy-2,2′-bis(4-hydroxyphenyl)-4H,4′H-6,6′-bichromen-4,4′-dion

5,5′,7,7′-Tetrahydroxy-2,2′-bis(4-hydroxyphenyl)-4H,4′H-6,6′-bichromene-4,4′-dione

5,5′,7,7′-Tétrahydroxy-2,2′-bis(4-hydroxyphényl)-4H,4′H-6,6′-bichromène-4,4′-dione

[6,6′-Bi-4H-1-benzopyran]-4,4′-dione, 5,5′,7,7′-tetrahydroxy-2,2′-bis(4-hydroxyphenyl)-

166824-22-2

6,6″-Bigenkwanin

6-[5,7-Dihydroxy-2-(4-hydroxyphenyl)-4-oxochromen-6-yl]-5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one