The molecule is a guaiane sesquiterpenoid isolated from Elephantopus mollis and has been shown to exhibit cytotoxic activity. It has a role as a metabolite and an antineoplastic agent. It is a gamma-lactone, an enoate ester, a guaiane sesquiterpenoid, a tertiary alcohol and an organic heterotricyclic compound. It derives from a tiglic acid.
[(1R,2S,6R,7S,11R,13R)-11-hydroxy-13-methoxy-13-methyl-5,9-dimethylidene-4-oxo-3,14-dioxatricyclo[9.2.1.02,6]tetradecan-7-yl] (E)-2-methylbut-2-enoate