SMILES: C1=CC2=C(C=C1NC(=O)CCCC(=O)[O-])NC(=[NH+]2)N
Description: The molecule is a zwitterion obtained by transfer of a proton from the carboxy group to position 3 of the benzimidazole ring of 5-[(2-aminobenzimidazol-6-yl)amino]-5-oxopentanoic acid. It is a zwitterion and a dicarboxylic acid monoamide. It is a tautomer of a 5-[(2-aminobenzimidazol-6-yl)amino]-5-oxopentanoic acid.