Showing structure for (3ar,4r,5r,6r,8r,10r,11r,11as)-5,8,10-trihydroxy-6,10-dimethyl-11-{[(2z)-2-methylbut-2-enoyl]oxy}-3-methylidene-2,9-dioxo-octahydrocyclodeca[b]furan-4-yl (2z)-2-methylbut-2-enoate