Showing structure for 5-[5-(2,6-dimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalene-1-carbonyl)-1,4-dihydroxy-6-oxopyridin-3-yl]-5-hydroxy-7-oxabicyclo[4.1.0]heptan-2-yl acetate