Showing structure for 3-[(1r,2s,4ar,8ar)-2-methyl-1,2,4a,5,6,7,8,8a-octahydronaphthalene-1-carbonyl]-5-{2,5-dihydroxy-7-oxabicyclo[4.1.0]heptan-2-yl}-1,4-dihydroxypyridin-2-one