Showing structure for methyl 2-(furan-3-yl)-9-hydroxy-6a,10b-dimethyl-4-oxo-6-[(3,4,5-trihydroxy-6-{[(3,4,5-trihydroxyoxan-2-yl)oxy]methyl}oxan-2-yl)oxy]-1h,2h,4ah,5h,6h,9h,10h,10ah-naphtho[2,1-c]pyran-7-carboxylate