SMILES: CC\\1=C(C\\2=[NH+]/C1=C\\C3=C(C(=C([N-]3)/C=C\\4/C(=C(C(=[NH+]4)/C=C\\5/C(=C(/C(=C2)/[N-]5)CCC(=O)OC)C)C=C)C)C=C)C)CCC(=O)O.[Mg+2]
Description: The molecule is a dicarboxylic acid monoester, a methyl ester and a magnesium porphyrin. It derives from a magnesium protoporphyrin. It is a conjugate acid of a magnesium protoporphyrin 13-monomethyl ester(1-).