Showing structure for methyl 4a-hydroxy-1-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-7-({[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)-1h,5h,7ah-cyclopenta[c]pyran-4-carboxylate