The molecule is a diterpenoid of the clerodane group isolated from the leaves and flowers of Casearia nigrescens. It exhibits cytotoxicity against A2780 human ovarian cancer cell line. It has a role as a metabolite and an antineoplastic agent. It is an acetate ester, a butyrate ester, a cyclic ether, a diterpenoid, an organic heterotricyclic compound, a secondary alcohol and a diol.
[(1S,3R,5R,6aS,7S,8S,9R,10R,10aS)-1,3-diacetyloxy-9,10-dihydroxy-7,8-dimethyl-7-(3-methylidenepent-4-enyl)-1,3,5,6,6a,8,9,10-octahydrobenzo[d][2]benzofuran-5-yl] butanoate