The molecule is a heterobicyclic compound that is costunolide in which the pro-S hydrogen at position 3 has been replaced by a hydroxy group. It has a role as a plant metabolite. It is a germacranolide, a secondary allylic alcohol and a heterobicyclic compound. It derives from a costunolide.
(3aS,6E,9S,10E,11aR)-9-hydroxy-6,10-dimethyl-3-methylidene-3a,4,5,8,9,11a-hexahydrocyclodeca[b]furan-2-one