alpha-D-Glucopyranose, cyclic 4,6-(3-(5-(((2,3:4,6-bis-O-((4,4,5,5,6,6-hexahydroxy(1,1-biphenyl)-2,2-diyl)dicarbonyl)-beta-D-glucopyranosyl)oxy)carbonyl)-2,3-dihydroxyphenoxy)-4,4,5,5,6,6hexahydroxy(1