Showing structure for (2r,3r,4r)-2-(3,4-dihydroxyphenyl)-4-[(2r,3r)-2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-7-{[(2s,3r,4s,5r)-3,4,5-trihydroxyoxan-2-yl]oxy}-3,4-dihydro-2h-1-benzopyran-8-yl]-3,4-dihydro-2h-1-benzopyran-3,5,7-triol