naphthalene-1,2-diol + O2 => 2-hydroxychromene-2-carboxylate + H(+)
naphthalene-1,2-diol + o2 => 2-hydroxychromene-2-carboxylate + h(+)
naphthalene-1,2-diol + O2 => 2-hydroxychromene-2-carboxylate + H(+)
naphthalene-1,2-diol + o2 => 2-hydroxychromene-2-carboxylate + h(+)