5-formyl-3-hydroxy-2-methylpyridine-4-carboxylate + AH2 => 4-pyridoxate + A
5-formyl-3-hydroxy-2-methylpyridine-4-carboxylate + ah2 => 4-pyridoxate + a
5-formyl-3-hydroxy-2-methylpyridine-4-carboxylate + AH2 => 4-pyridoxate + A
5-formyl-3-hydroxy-2-methylpyridine-4-carboxylate + ah2 => 4-pyridoxate + a