SMILES: C1=C(NC(=O)C(=C1[O-])CCC(=O)C(=O)O)C(=O)O
Description: The molecule is an oxo carboxylic acid anion that is the conjugate base of 5-(3'-carboxy-3'-oxopropyl)-4,6-dihydroxypicolinic acid. It is a conjugate base of a 5-(3'-carboxy-3'-oxopropyl)-4,6-dihydroxypicolinic acid.