SMILES: CC1=C(NC(=C1CCC(=O)O)CC2=C(C(=C(N2)/C=C\\3/C(=C(C(=O)N3)C)C=C)C)CCC(=O)O)/C=C/4\\C(=C(C(=O)N4)C=C)C
Description: The molecule is a linear tetrapyrrole, product of heme degradation. An isomer of bilirubin. It has a role as a metabolite. It is a member of biladienes and a dicarboxylic acid.