The molecule is a tetracyclic diterpenoid with formula C20H22O5, originally isolated from the dried root outer bark of Tripterygium hypoglaucum. It has a role as a plant metabolite. It is a member of benzenediols, a cyclic ketone, a tetracyclic diterpenoid and a gamma-lactone.
(9bS)-6,9-dihydroxy-9b-methyl-7-propan-2-yl-3b,4,10,11-tetrahydro-3H-naphtho[2,1-e][2]benzofuran-1,5-dione