The molecule is a diterpenoid of the clerodane group isolated from the leaves and twigs of Casearia membranacea. It exhibits significant cytotoxicity against human prostrate (PC-3) cancer cells. It has a role as a metabolite and an antineoplastic agent. It is a diterpenoid, an acetate ester, a cyclic ether, an organic heterotricyclic compound and a secondary alcohol.
[(1R,3S,5R,6aR,7S,8S,10R,10aR)-1,3-diacetyloxy-10-hydroxy-7,8-dimethyl-7-[(2E)-3-methylpenta-2,4-dienyl]-1,3,5,6,6a,8,9,10-octahydrobenzo[d][2]benzofuran-5-yl] 2-methylbutanoate