Synonyms: Cyclodeca[b]furan-2(3H)-one,3a,4,7,8,9,11a-hexahydro-4-hydroxy-6,10-dimethyl-3-methylene-9-[(2,3,3a,4,7,8,11,11a-octahydro-4-hydroxy-6,10-dimethyl-2-oxocyclodeca[b]furan-3-yl)methyl]-,[3R-[3R*(3aS*,4R*,5E,9R*,10Z,11aS*),3aS*,4R*,5E,9E,11aS*]]-; Mycoguaianolide