The molecule is a organic anion that is the conjugate base of 3,6-dichloropyridine-2,5-diol, resulting from the deprotonation of the 5-hydroxy group. It is a conjugate base of a 3,6-dichloropyridine-2,5-diol.
2,5-dichloro-6-oxo-1H-pyridin-3-olate