The molecule is a germacranolide isolated from Elephantopus mollis and has been shown to exhibit antineoplastic activity. It has a role as a metabolite and an antineoplastic agent. It is a gamma-lactone, an enoate ester, a germacranolide, an organic heterotricyclic compound and a cyclic ether.
[(1S,2S,6R,7S,9Z,11S)-11-ethoxy-9,13-dimethyl-5-methylidene-4-oxo-3,14-dioxatricyclo[9.2.1.02,6]tetradeca-9,12-dien-7-yl] 2-methylprop-2-enoate