英文同义词: | 2-(3,4-Dihydroxyphenyl)-2,5,7-trihydroxy-2H-1-benzopyran-3,4-dione;2-(3,4-Dihydroxyphenyl)-2,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-3,4-dione;2-(3,4-Dihydroxyphenyl)-2,5,7-trihydroxy-4H-1-benzopyran-3,4(2H)-dione;2,3-Dihydro-2,3',4',5,7-pentahydroxy-3-oxoflavone;2,5,7-Trihydroxy-2-(3,4-dihydroxyphenyl)-2H-1-benzopyran-3,4-dione;2,5,7-Trihydroxy-2-(3,4-dihydroxyphenyl)-4H-1-benzopyran-3,4(2H)-dione |