SMILES: C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@]5([C@@]4(C[C@H]([C@@H](C5(C)C)O)O)C)O)C)[C@@H]2[C@H]1C)C)C(=O)O
Description: The molecule is a pentacyclic triterpenoid that is urs-12-en-28-oic acid substituted by hydroxy groups at positions 2, 3 and 5 (the 2alpha,3beta stereoisomer). Isolated from Salvia santolinifolia, it exhibits inhibitory activity against cholinesterase. It has a role as a metabolite and an EC 3.1.1.8 (cholinesterase) inhibitor. It is a triol, a hydroxy monocarboxylic acid and a pentacyclic triterpenoid. It derives from a hydride of an ursane.