label: 4-carboxy-2-hydroxymuconate semialdehyde hemiacetal + NADP(+) = 2-oxo-2H-pyran-4,6-dicarboxylate + NADPH + H(+)
label_lc: 4-carboxy-2-hydroxymuconate semialdehyde hemiacetal + nadp(+) = 2-oxo-2h-pyran-4,6-dicarboxylate + nadph + h(+)