SMILES: CC\\1=C(/C(=C/C2=C(C(=C(N2)C(=O)C3=C(C(=C(N3)C=O)C=C)C)C)CCC(=O)[O-])/N/C1=C\\C4=NC(=O)C(=C4C=C)C)CCC(=O)[O-]
Description: The molecule is a linear tetrapyrrole anion obtained by deprotonation of the two carboxy groups of mycobilin b; major species at pH 7.3. It is a dicarboxylic acid dianion and a linear tetrapyrrole anion. It is a conjugate base of a mycobilin b.