Showing structure for [3aS-(3aR*,4R*,5S*,6S*,10Z,11aS*)]-2,3,3a,4,5,6,7,11a-Octahydro-10-(hydroxymethyl)-6-methyl-3-methylene-4-[(2-methyl-1-oxo-2-propenyl)oxy]-2,7-dioxo-6,9-epoxycyclodeca[b]furan-5-yl ester 3-methylbutanoic acid