SMILES: CC(C)C1=C(C2=C(C=C1)[C@@]3(CCC4=C([C@H]3CC2=O)COC4=O)C)O
Description: The molecule is a tetracyclic diterpenoid with formula C20H22O4, originally isolated from Tripterygium wilfordii. It has a role as a plant metabolite. It is a gamma-lactone, an organic heterotetracyclic compound, a member of phenols, a tetracyclic triterpenoid, a cyclic terpene ketone and an aromatic ketone.