2,5-dihydroxypyridine + O2 => N-formylmaleamate + H(+)
2,5-dihydroxypyridine + o2 => n-formylmaleamate + h(+)
2,5-dihydroxypyridine + O2 => N-formylmaleamate + H(+)
2,5-dihydroxypyridine + o2 => n-formylmaleamate + h(+)