preferred_name: coproporphyrinogen I + 4 CO2 => uroporphyrinogen I + 4 H(+)
preferred_name_lc: coproporphyrinogen i + 4 co2 => uroporphyrinogen i + 4 h(+)
label: coproporphyrinogen I + 4 CO2 => uroporphyrinogen I + 4 H(+)
label_lc: coproporphyrinogen i + 4 co2 => uroporphyrinogen i + 4 h(+)