152246-61-2

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

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