SMILES: CC1=C(C2=CC3=C(/C(=C/[O-])/C(=N3)C=C4C(=C(C(=N4)C=C5C(=C(C(=N5)C=C1[N-]2)C=C)C)C(CC/C=C(\\C)/CC/C=C(\\C)/CCC=C(C)C)O)C)CCC(=O)O)CCC(=O)O
Description: The molecule is a doubly-charged cyclic tetrapyrrole anion obtained by deprotonation of the two pyrrole NH groups of cytoporphyrin. It is a conjugate base of a cytoporphyrin.