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 plant metabolite. It is a pentacyclic triterpenoid and a tetrol.
(1R,3S,3aR,5aS,5bS,6S,7aR,9S,11aS,13aR,13bR)-3a-(hydroxymethyl)-5a,8,8,11a,13a-pentamethyl-3-propan-2-yl-1,2,3,4,5,5b,6,7,7a,9,10,11,13,13b-tetradecahydrocyclopenta[a]chrysene-1,6,9-triol