The molecule is a germacranolide derived from laurenobiolide by deacetylation. It has a role as an allergen and a metabolite. It derives from a laurenobiolide.
(4S,5E,9E)-4-hydroxy-6,10-dimethyl-3-methylidene-3a,4,7,8,11,11a-hexahydrocyclodeca[b]furan-2-one