SMILES: CCCC(=O)O[C@@H]1C[C@H]2[C@]([C@@H]([C@H]([C@@H]([C@]23[C@@H](O[C@@H](C3=C1)OC(=O)C)OC(=O)C)OC(=O)C)O)C)(C)CCC(=C)C=C
Description: 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 and a secondary alcohol.