[3,8′-Bi-4H-1-benzopyran]-4,4′-dione, 2′-(3,4-dihydroxyphenyl)-2,2′,3,3′-tetrahydro-5,5′,7,7′-tetrahydroxy-2-(4-hydroxyphenyl)-, (2S,2′S,3R)-
3,8′′-Biflavanone, 3′′′,4′,4′′′,5,5′′,7,7′′-heptahydroxy-
[3,8′-Bi-4H-1-benzopyran]-4,4′-dione, 2′-(3,4-dihydroxyphenyl)-2,2′,3,3′-tetrahydro-5,5′,7,7′-tetrahydroxy-2-(4-hydroxyphenyl)-, [2S-[2α,3β(R*)]]-
(2S,2′S,3R)-2′-(3,4-Dihydroxyphenyl)-2,2′,3,3′-tetrahydro-5,5′,7,7′-tetrahydroxy-2-(4-hydroxyphenyl)[3,8′-bi-4H-1-benzopyran]-4,4′-dione
GB 2a