3-[(1S,2R,4aR,8aR)-2-methyl-1,2,4a,5,6,7,8,8a-octahydronaphthalene-1-carbonyl]-5-[(1R,4S,5R,7R)-4,7-dihydroxy-6-oxabicyclo[3.1.1]heptan-1-yl]-1,4-dihydroxypyridin-2-oneAlkaPlorer id: AK553643