SMILES: C[C@H](CCC=C(C)C)[C@H]1CC[C@@]2([C@@]1(CC=C3[C@H]2CC[C@@H]4[C@@]3(CCC(=O)C4(C)C)C)C)C
Description: The molecule is a tetracyclic triterpenoid that is lanosta-9(11),24-diene substituted by an oxo group at position 3. It has been isolated from the roots of Rubia yunnanensis. It has a role as a plant metabolite. It is a tetracyclic triterpenoid and a cyclic terpene ketone. It derives from a hydride of a lanostane.