The molecule is a pentacyclic triterpenoid with formula C29H38O5, originally isolated from the stems of Tripterygium regelii. It has a role as a plant metabolite. It is a pentacyclic triterpenoid, a hydroxy monocarboxylic acid, a member of catechols, a cyclic terpene ketone and an enone.
(2R,4aS,6aR,6aS,14aS,14bR)-10,11-dihydroxy-2,4a,6a,6a,9,14a-hexamethyl-8-oxo-1,3,4,5,6,13,14,14b-octahydropicene-2-carboxylic acid