SMILES: C[C@@](CCl)(C(=O)O[C@H]1CC(=C)[C@@H]2C[C@@H]([C@]3([C@@H]2[C@@H]4[C@@H]1C(=C)C(=O)O4)CO3)O)O
Description: The molecule is a sesquiterpene lactone that is isolated from Acroptilon repens and displays anti-allergic properties. It has a role as an anti-allergic agent and a plant metabolite. It is a sesquiterpene lactone, an azulenofuran, an epoxide, an olefinic compound, a tertiary alcohol, a secondary alcohol, an organochlorine compound and an organic heterotetracyclic compound.