Showing structure for (2z)-3-{[(3ar,4r,9s,11as)-9-(acetyloxy)-6,10-dimethyl-3-methylidene-2-oxo-3ah,4h,5h,8h,9h,11ah-cyclodeca[b]furan-4-yl]oxy}-2-ethylidene-3-oxopropyl (2z)-2,4-dihydroxybut-2-enoate