Showing structure for (2r,3r,4s)-2-(3,4-dihydroxyphenyl)-8-[(2r,3r,4r)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2h-1-benzopyran-4-yl]-4-[(2s,3s)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2h-1-benzopyran-6-yl]-3,4-dihydro-2h-1-benzopyran-3,5,7-triol