1617-53-4 4H-1-Benzopyran-4-one, 8-(5-(5,7-dihydroxy-4-oxo-4H-1-benzopyran-2-yl)-2-hydroxyphenyl)-5,7-dihydroxy-2-(4-hydroxyphenyl)- 79596-89-7 Amentoflavone NSC 295677