SMILES: C[C@@]12CC[C@@]3(C(=CC(=O)[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)O)C)C)[C@@H]1CC(CC2)(C)C)C
Description: The molecule is the pentacyclic triterpenoid that is the 11-oxo derivative of beta-amyrin. It is a pentacyclic triterpenoid and a cyclic terpene ketone. It derives from a beta-amyrin.