has role has role bilirubin IXalpha dicarboxylic acid dianion bilirubin(2-) InChI=1S/C33H36N4O6/c1-7-20-19(6)32(42)37-27(20)14-25-18(5)23(10-12-31(40)41)29(35-25)15-28-22(9-11-30(38)39)17(4)24(34-28)13-26-16(3)21(8-2)33(43)36-26/h7-8,13-14,34-35H,1-2,9-12,15H2,3-6H3,(H,36,43)(H,37,42)(H,38,39)(H,40,41)/p-2/b26-13-,27-14- chebi_ontology Beilstein:4083310 582.64630 A dicarboxylic acid dianion obtained by deprotonation of the two carboxy groups of bilirubin; major species at pH 7.3. BPYKTIZUTYGOLE-IFADSCNNSA-L -2 bilirubin dianion CC1=C(C=C)\C(NC1=O)=C\c1[nH]c(Cc2[nH]c(\C=C3NC(=O)C(C=C)=C/3C)c(C)c2CCC([O-])=O)c(CCC([O-])=O)c1C 582.24893 C33H34N4O6 2,7,13,17-tetramethyl-1,19-dioxo-3,18-divinyl-1,10,19,22,23,24-hexahydro-21H-biline-8,12-dipropanoate bilirubin IXalpha CHEBI:57977 linear tetrapyrrole anion human metabolite