The molecule is a quassinoid isolated from Quassia amara and Leitneria floridana and has been shown to exhibit antitumour activity. It has a role as an antineoplastic agent and a metabolite. It is a quassinoid, a delta-lactone, an organic heteropentacyclic compound, a cyclic ether, an enone, a triol, an acetate ester and a bridged compound.
[(1R,2S,3R,6R,8S,12S,13S,14R,15R,16S,17R)-12,15,16-trihydroxy-9,13,17-trimethyl-4,11-dioxo-5,18-dioxapentacyclo[12.5.0.01,6.02,17.08,13]nonadec-9-en-3-yl] (2R)-2-acetyloxy-2-methylbutanoate