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, an antimicrobial agent and a plant metabolite. It is a pentacyclic triterpenoid, an acetate ester and a triol.
[(1R,3S,3aR,5aS,5bS,6S,7aR,9S,11aS,13aR,13bR)-6,9-dihydroxy-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]chrysen-1-yl] acetate