39012-01-6 4H-1-Benzopyran-4-one, 5,7-dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-6-methoxy- 5,7-Dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-6-methoxy-4H-1-benzopyran-4-one Iristectorigenin A