SMILES: C1=CC(=C(C=C1N=NC2=CC(=C(C=C2)O)C(=O)O)C(=O)O)O
Description: The molecule is an azobenzene that consists of two molecules of 4-aminosalicylic acid joined by an azo linkage. A prodrug for mesalazine, an anti-inflammatory drug, it is used (as the disodium salt) in the treatment of inflammatory bowel disease. It has a role as a prodrug and a non-steroidal anti-inflammatory drug. It is a dicarboxylic acid and a member of azobenzenes. It derives from a salicylic acid. It is a conjugate acid of an olsalazine(2-).