Showing structure for (2r,3r)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-6-[(2r,3r,4s)-3,5,7-trihydroxy-2-(4-hydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-4-yl]-3,4-dihydro-2h-1-benzopyran-3-yl 3,4,5-trihydroxybenzoate