pyridine-2,6-dicarboxylic acid-N-oxide, pyridine-2,6-dicarboxylate N-oxide, pyridine-2,6-dicarboxylic acid, Pyridine-2,6-dicarboxylic acid 1-oxide, 2,6-pyridinedicarboxylic acid N-oxide, 2,6-dicarboxypyridine N-oxide, Dipicolinic acid N-oxide, 2,6-pyridinecarboxylic acid N-oxide