SMILES: C1=C(C(=NC(=O)C1=O)Cl)[O-]
Description: The molecule is an enolate anion resulting from the deprotonation of the hydroxy group of 6-chloro-3-hydroxypyridine-2,5-dione. The major species at pH 7.3. It is a conjugate base of a 6-chloro-3-hydroxypyridine-2,5-dione.