agathisflavone

6,8''-Bi[4',5,7-trihydroxyflavone]

4',4''',5,5'',7,7''-Hexahydroxy-6,8''-biflavone

5,5',7,7'-Tetrahydroxy-2,2'-bis(4-hydroxyphenyl)-6,8'-bi[4H-1-benzopyran]-4,4'-dione