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