Showing structure for (2s,3r,4s,5r,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl (4ar,5s,6r,8as)-5,6,8a-trimethyl-5-[2-(5-oxo-2h-furan-3-yl)ethyl]-3,4,4a,6,7,8-hexahydronaphthalene-1-carboxylate