The molecule is a germacranolide with formula C15H20O3, isolated from several Inula species. It exhibits anti-cancer properties. It has a role as an antineoplastic agent and a plant metabolite. It is a germacranolide, a homoallylic alcohol, a secondary alcohol and a gamma-lactone.
(3aR,4R,6E,10E,11aR)-4-hydroxy-6,10-dimethyl-3-methylidene-3a,4,5,8,9,11a-hexahydrocyclodeca[b]furan-2-one