2-(3,4-Dihydroxyphenyl)-3,7-dihydroxy-4H-1-benzopyran-4-one 3,3',4',7-Tetrahydroxyflavone 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3,7-dihydroxy- 5-18-05-00291 (Beilstein Handbook Reference) 5-Desoxyquercetin 528-48-3 BOIS bleude honqrie BRN 0292829 Bois bleu de Honqrie C.I. 75620 C.I. Natural Brown 1 Cotinin EINECS 208-434-4 FLAVONE, 3,3',4',7-TETRAHYDROXY- Fietin Fisetholz Fisetin Fustel Fustet Junger fustik NSC 407010 NSC 656275 Superfustel Superfustel K Ungarisches gelbholz Ventin sumach Viset Young fustic Young fustic crystals Zante fustic