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, a cyclic ether, an enoate ester and a germacranolide. It derives from a tiglic acid.
[(1S,2S,6R,7S,9E,11S)-11-methoxy-9,13-dimethyl-5-methylidene-4-oxo-3,14-dioxatricyclo[9.2.1.02,6]tetradeca-9,12-dien-7-yl] (E)-2-methylbut-2-enoate