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 and a plant metabolite. It is a pentacyclic triterpenoid, a cyclic terpene ketone, an enone, an enol and a tetrol.
(1R,3S,3aR,5aS,5bS,6S,7aR,11aR,13aR,13bR)-1,6,10-trihydroxy-3a-(hydroxymethyl)-5a,8,8,11a,13a-pentamethyl-3-propan-2-yl-2,3,4,5,5b,6,7,7a,13,13b-decahydro-1H-cyclopenta[a]chrysen-9-one