. "8-[5-(5,7-Dihydroxy-4-oxo-4H-1-benzopyran-2-yl)-2-hydroxyphenyl]-5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one" . . . . . . . "Didemethyl-ginkgetin" . . "Amentoflavone" . . . . . "(4\u2032,5,7-Trihydroxyflavone)-(3\u2032\u21928)-(4\u2032,5,7-trihydroxyflavone)" . . . . "Amentoflavone" . . . . . . "3\u2032,8\u2032\u2032-Biapigenin" . . . "amentoflavone" .