2',5,5',7-Tetrahydroxy-6',8-dimethoxyflavone 4H-1-Benzopyran-4-one, 2-(3,6-dihydroxy-2-methoxyphenyl)-5,7-dihydroxy-8-methoxy- 5,7,3',6'-Tetrahydroxy-8,2'-dimethoxyflavone 92519-91-0 Ganhuangenin Sb 1