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 tetrol, a cyclic terpene ketone and a pentacyclic triterpenoid.
(1R,3S,3aR,5aR,7aR,9S,11aS,12R,13aR,13bR)-1,9,12-trihydroxy-3a-(hydroxymethyl)-5a,8,8,11a,13a-pentamethyl-3-propan-2-yl-2,3,4,5,7,7a,9,10,11,12,13,13b-dodecahydro-1H-cyclopenta[a]chrysen-6-one