SMILES: CC(=O)O[C@@H]1C[C@H](C[C@]23[C@@H]1[C@@]4(CCCC([C@H]4[C@@H]2O)(C)C)COC3=O)C(=C)C=O
Description: The molecule is a tetracyclic diterpenoid isolated from the leaves of a Chinese medicinal herb Isodon eriocalyx and has been shown to exhibit cytotoxicity towards human tumour cells. It has a role as a metabolite and an antineoplastic agent. It is a tetracyclic diterpenoid, an acetate ester, an aldehyde, a delta-lactone and a bridged compound.