Showing structure for (1s,2r,3s,4r,4ar,8as)-2,3-dihydroxy-3,4,8,8a-tetramethyl-4-[(2s)-6-oxo-2h,3h,4h-furo[2,3-c]furan-2-yl]-2,4a,5,6-tetrahydro-1h-naphthalen-1-yl pyridine-3-carboxylate