The molecule is a quassinoid isolated from Brucea antidysenterica and has been shown to exhibit in vitro cytotoxicity towards several human tumour cell lines. It has a role as a metabolite and an antineoplastic agent. It is a delta-lactone, a cyclic ether, an enoate ester, an organic heteropentacyclic compound, a pentacyclic triterpenoid, a quassinoid, a triol, an enol and a methyl ester.
methyl (1R,2S,3R,6R,8S,9S,13S,14S,15R,16S,17S)-3-[(E)-3,4-dimethylpent-2-enoyl]oxy-11,15,16-trihydroxy-9,13-dimethyl-4,12-dioxo-5,18-dioxapentacyclo[12.5.0.01,6.02,17.08,13]nonadec-10-ene-17-carboxylate