Showing structure for (3as,4r,5r,9r,11ar)-5,9-dihydroxy-6,10-dimethyl-3-methylidene-2-oxo-3ah,4h,5h,8h,9h,11ah-cyclodeca[b]furan-4-yl (2e)-2-[(acetyloxy)methyl]but-2-enoate