SMILES: C1=C(NC(=O)C(=C1O)CCC(=O)O)C(=O)O
Description: The molecule is a pyridone that is 6-oxo-1,6-dihydropyridine-2-carboxylic acid substituted by a 2-carboxyethyl group at position 5. It is an oxo dicarboxylic acid, a pyridone and a monohydroxypyridine. It derives from a picolinic acid. It is a conjugate acid of a 5-(2'-carboxyethyl)-4,6-dihydroxypicolinate.