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