Biflavanone GB-1a

(2S,2′S,3R)-5,5′,7,7′-Tetrahydroxy-2,2′-bis(4-hydroxyphenyl)-2,2′,3,3′-tetrahydro-4H,4′H-3,8′-bichromen-4,4′-dion

(2S,2′S,3R)-5,5′,7,7′-Tetrahydroxy-2,2′-bis(4-hydroxyphenyl)-2,2′,3,3′-tetrahydro-4H,4′H-3,8′-bichromene-4,4′-dione

(2S,2′S,3R)-5,5′,7,7′-Tétrahydroxy-2,2′-bis(4-hydroxyphényl)-2,2′,3,3′-tétrahydro-4H,4′H-3,8′-bichromène-4,4′-dione

19360-72-6

[3,8′-Bi-2H-1-benzopyran]-4,4′(3H,3′H)-dione, 5,5′,7,7′-tetrahydroxy-2,2′-bis(4-hydroxyphenyl)-, (2S,2′S,3R)-

Biflavanone GB-1a

(2S)-8-[(2S,3R)-5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxo-3,4-dihydro-2H-1-benzopyran-3-yl]-5,7-dihydroxy-2-(4-hydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-4-one

(2S,2′S,3R)-5,5′,7,7′-tetrahydroxy-2,2′-bis(4-hydroxyphenyl)-3,8′-bichroman-4,4′-dione

(2S,2′S,3R)-5,5′,7,7′-Tetrahydroxy-2,2′-bis(4-hydroxyphenyl)-[3,8′-bichroman]-4,4′-dione

(3,8′-Bi-2H-1-benzopyran)-4,4′(3H,3′H)-dione, 5,5′,7,7′-tetrahydroxy-2,2′-bis(4-hydroxyphenyl)-, (2S,2′S,3R)-

3,8′-BI-2H-1-BENZOPYRAN]-4,4′(3H,3′H)-DIONE,5,5′,7,7′-TETRAHYDROXY-2,2′-BIS(4-HYDROXYPHENYL)-,(2S,2′S,3R)-

[3,8′-Bi-4H-1-benzopyran]-4,4′-dione,2,2′,3,- 3′-tetrahydro-5,5′,7,7′-tetrahydroxy-2,2′-bis- (4-hydroxyphenyl)-,(2S,2′S,3R)-

GB-1a

GB-1b