Showing structure for 4-[5,7-dihydroxy-3-(3,4,5-trihydroxybenzoyloxy)-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-8-yl]-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3,4-dihydro-2h-1-benzopyran-3-yl 3,4,5-trihydroxybenzoate