The molecule is a pentacyclic triterpenoid with formula C30H48O4, originally isolated from the roots of Tripterygium wilfordii. It has a role as a plant metabolite. It is a pentacyclic triterpenoid, a hydroxy monocarboxylic acid and a diol. It derives from a hydride of an ursane.
(1R,2R,4S,4aR,6aR,6aS,6bR,8aR,10S,12aR,14bS)-4,10-dihydroxy-1,4a,6a,6b,9,9,12a-heptamethyl-2,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydro-1H-picene-2-carboxylic acid