SMILES: CCC[C@H]1[C@@H](C(=O)C[C@@H](/C(=C\\C)/CC2=C1C(=O)OC2=O)O)O
Description: The molecule is a cyclic dicarboxylic anhydride that is 5,6,7,8,9,10-hexahydro-1H-cyclonona[c]furan-1,3(4H)-dione substituted by an ethylidene group at position 9, hydroxy groups at position 5 and 8, a propyl group at position 4 and an oxo group at position 6. It has a role as a metabolite and a herbicide. It is a cyclic dicarboxylic anhydride, an organic heterobicyclic compound and a secondary alpha-hydroxy ketone.