Showing structure for (2s,3s)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-6-{2-hydroxy-5-[(2s,3s)-3,5,7-trihydroxy-4-oxo-2,3-dihydro-1-benzopyran-2-yl]phenyl}-2,3-dihydro-1-benzopyran-4-one