Acanthamolide

N-[(3aR,4S,5S,6E,10E,11aR)-6-Formyl-2,3,3a,4,5,8,9,11a-octahydro-4-hydroxy-10-methyl-3-methylene-2-oxocyclodeca[b]furan-5-yl]-2-methylpropionamide