coproporphyrinogen III + 4 CO2 => uroporphyrinogen III + 4 H(+)
coproporphyrinogen iii + 4 co2 => uroporphyrinogen iii + 4 h(+)
coproporphyrinogen III + 4 CO2 => uroporphyrinogen III + 4 H(+)
coproporphyrinogen iii + 4 co2 => uroporphyrinogen iii + 4 h(+)