Synonyms: Fisetin(6CI);Flavone, 3,3',4',7-tetrahydroxy- (8CI);2-(3,4-Dihydroxyphenyl)-3,7-dihydroxy-4H-benzopyran-4-one;3,3',4',7-Tetrahydroxyflavone;5-Desoxyquercetin;Bois Bleu de Honqrie;C.I.75620;C.I. Natural Brown 1;Cotinin;Fisetholz;Fustel;Fustet;Junger Fustik;NSC 407010;NSC 656275;Superfustel;Superfustel K;Ungarisches Gelbholz;Ventin Sumach;Viset;Young Fustic;Young FusticCrystals;Zante Fustic;