Showing structure for 2-(3,4-dihydroxyphenyl)-4-[2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]-3,4-dihydro-2h-1-benzopyran-8-yl]-3,4-dihydro-2h-1-benzopyran-3,5,7-triol