SMILES: C1=C(NC(=O)C(=C1O)/C=C/C(=O)C(=O)O)C(=O)O
Description: The molecule is an oxo dicarboxylic acid that is 4-hydroxy-6-oxo-1,6-dihydropyridine-2-carboxylic acid substituted by a 3-carboxy-3-oxoprop-1-en-1-yl group at position 5. It is an oxo dicarboxylic acid and a pyridone. It derives from a picolinic acid. It is a conjugate acid of a 5-(3-carboxy-3-oxoprop-1-en-1-yl)-4-hydroxy-6-oxo-1,6-dihydropyridine-2-carboxylate.