The molecule is a sesquiterpene lactone that is 3a,4,4a,5,6,7,7a,9a-octahydroazuleno[6,5-b]furan-2(3H)-one substituted by a hydroxy group at position 5, methyl groups at positions 5 and 8, a methylidene group at position 3 and an acetoxy group at position 4. It has been isolated from the aerial parts of Inula hupehensis. It has a role as a metabolite and a plant metabolite. It is a sesquiterpene lactone, a gamma-lactone, an acetate ester, an organic heterotricyclic compound and a tertiary alcohol.
[(3aS,5aS,8R,8aS,9S,9aR)-8-hydroxy-5,8-dimethyl-1-methylidene-2-oxo-5a,6,7,8a,9,9a-hexahydro-3aH-azuleno[6,5-b]furan-9-yl] acetate