The molecule is an abietane diterpenoid with formula C20H26O4, originally isolated from Tripterygium wilfordii. It has a role as a plant metabolite. It is a cyclic terpene ketone, a member of p-quinones, an abietane diterpenoid, a carbotricyclic compound, a tricyclic diterpenoid and a primary alcohol.
(4bS,8S,8aR)-8-(hydroxymethyl)-4b,8-dimethyl-2-propan-2-yl-6,8a,9,10-tetrahydro-5H-phenanthrene-1,4,7-trione