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 a metabolite, an antineoplastic agent and a plant metabolite. It is a diol and a pentacyclic triterpenoid.
(3S,3aS,5aS,5bS,6S,7aR,9S,11aS,13aS)-3a,5a,8,8,11a,13a-hexamethyl-3-propan-2-yl-2,3,4,5,5b,6,7,7a,9,10,11,13-dodecahydrocyclopenta[a]chrysene-6,9-diol