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