SMILES: C[C@]12CC[C@@H]([C@@]([C@@H]1CC[C@@]3([C@@H]2CC=C4[C@]3(C[C@H]([C@@]5([C@H]4CC(CC5)(C)C)C(=O)O)O)C)C)(C)C(=O)O)O
Description: The molecule is a pentacyclic triterpenoid that is olean-12-ene substituted by carboxy groups at positions 23 and 28 and hydroxy groups at positions 3 and 16 ( the 3beta,16alpha stereoisomer). It has a role as a metabolite. It is a pentacyclic triterpenoid, a hydroxy carboxylic acid and a secondary alcohol. It derives from a hydride of an oleanane.