preferred_name: coproporphyrin III(out) <=> coproporphyrin III(in)
preferred_name_lc: coproporphyrin iii(out) <=> coproporphyrin iii(in)
label: coproporphyrin III(out) <=> coproporphyrin III(in)
label_lc: coproporphyrin iii(out) <=> coproporphyrin iii(in)