Showing structure for (2r,3s)-2-(4-{[(2r,3r)-3,5-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-7-yl]oxy}-3,5-dihydroxyphenyl)-3,4-dihydro-2h-1-benzopyran-3,5,7-triol