Synonyms: 4H-1-benzopyran-4-one, 5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-;5,7,3',4',5'-Pentahydroxyflavone;5,7-Dihydroxy-2-(3,4,5-trihydroxyphenyl)-4H-chromen-4-on;5,7-Dihydroxy-2-(3,4,5-trihydroxyphenyl)-4H-chromen-4-one;5,7-Dihydroxy-2-(3,4,5-trihydroxyphényl)-4H-chromén-4-one;520-31-0