Showing structure for (2r,3r)-2-{1,2-dihydroxy-9-oxo-4-[(2r,3r)-3,5,7-trihydroxy-3,4-dihydro-2h-1-benzopyran-2-yl]-5,6,7,8-tetrahydrobenzo[7]annulen-6-yl}-5,7-dihydroxy-3,4-dihydro-2h-1-benzopyran-3-yl 3,4,5-trihydroxybenzoate