SMILES: CC1=C(/C(=C/C2=C(C(=C(N2)/C=C\\3/C(=C(/C(=C/C4=NC(=O)C(=C4C)C=C)/N3)C=C)C)C)CCC(=O)[O-])/NC1=O)CCC(=O)[O-]
Description: The molecule is a linear tetrapyrrole anion obtained by deprotonation of the two carboxy groups of biliverdin beta; major species at pH 7.3. It is a dicarboxylic acid dianion and a linear tetrapyrrole anion. It is a conjugate base of a biliverdin beta.