SMILES: C[C@@H]1C[C@H]2[C@H](C[C@]3([C@H]1C=CC3=O)C)C(=C)C(=O)O2
Description: The molecule is a sesquiterpene lactone that is 3,3a,4,4a,7a,8,9,9a-octahydroazuleno[6,5-b]furan-2,5-dione substituted by methyl groups at positions 4a and 8 and a methylidene group at position 3. Isolated from the aerial parts of Inula hupehensis, it exhibits anti-inflammatory activity. It has a role as a metabolite, an anti-inflammatory agent and a plant metabolite. It is a gamma-lactone, a sesquiterpene lactone, a cyclic ketone and an organic heterotricyclic compound.