Showing structure for (2r,3r,4r,5r)-5,6-dihydroxy-2-(hydroxymethyl)-4-{7-methyl-1-oxo-3h,4h,4ah,5h,6h-cyclopenta[c]pyran-4-carbonyloxy}oxan-3-yl 7-methyl-1-oxo-3h,4h,4ah,5h,6h-cyclopenta[c]pyran-4-carboxylate