SMILES: CC1=C(C2=CC3=C(C(=C([N-]3)C=C4C(=C(C(=N4)C=C5C(=C(C(=N5)C=C1[N-]2)C)C=C)C)C=C)C)CCC(=O)O)CCC(=O)O
Description: The molecule is a member of protoporphyrins. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a conjugate base of a protoporphyrin.