The molecule is a triterpenoid saponin with an arborinane-type terpenoid as the aglycone. It has been isolated from the roots of Rubia yunnanensis. It has a role as a plant metabolite. It is a beta-D-glucoside, a diol, an aldehyde, a disaccharide derivative, a pentacyclic triterpenoid and a triterpenoid saponin.
(1R,3S,3aR,5aS,5bS,6S,7aR,9S,11aS,13aR,13bR)-1,6-dihydroxy-5a,8,8,11a,13a-pentamethyl-3-propan-2-yl-9-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-2-yl]oxy-1,2,3,4,5,5b,6,7,7a,9,10,11,13,13b-tetradecahydrocyclopenta[a]chrysene-3a-carbaldehyde