SMILES: CC1=C(C2=CC3=NC(=CC4=C(C(=C([N-]4)C=C5C(=C(C(=N5)C=C1[N-]2)C)CCC(=O)[O-])CCC(=O)[O-])C)C(=C3C)CCC(=O)[O-])CCC(=O)[O-].[Fe]
Description: The molecule is a cyclic tetrapyrrole anion obtained by the deprotonation of the four carboxy functions of Fe-coproporphyrin III. It has a role as a cofactor. It is a cyclic tetrapyrrole anion and a tetracarboxylic acid anion. It is a conjugate base of a Fe-coproporphyrin III.