SMILES: CC(C)[C@@H]1C[C@H]([C@H]2[C@]1(CC[C@@]3([C@@]2(CC=C4[C@H]3[C@H](C[C@@H]5[C@@]4(C=CC(=O)C5(C)C)C)O)C)C)CO)OC(=O)C
Description: The molecule is a pentacyclic triterpenoid of the class of arborinane-type terpenoids isolated from the roots of Rubia yunnanensis. It has a role as an antineoplastic agent and a plant metabolite. It is an enone, an acetate ester, a diol, a cyclic terpene ketone and a pentacyclic triterpenoid.