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