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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

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Accession:CHEBI:7770 term browser browse the term
Definition: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.
Synonyms:exact_synonym: 3,3'-diazene-1,2-diylbis(6-hydroxybenzoic acid)
 related_synonym: 3,3'-Azobis(6-hydroxybenzoic acid);   5,5'-Azobis(salicylic acid);   Formula=C14H10N2O6;   InChI=1S/C14H10N2O6/c17-11-3-1-7(5-9(11)13(19)20)15-16-8-2-4-12(18)10(6-8)14(21)22/h1-6,17-18H,(H,19,20)(H,21,22);   InChIKey=QQBDLJCYGRGAKP-UHFFFAOYSA-N;   Olsalazina;   Olsalazinum;   SMILES=OC(=O)c1cc(ccc1O)N=Nc1ccc(O)c(c1)C(O)=O
 xref: CAS:15722-48-2;   DrugBank:DB01250;   Drug_Central:1988;   KEGG:C07323;   KEGG:D08295;   Patent:DE278613;   Patent:EP36636;   Patent:US1157169;   Patent:US4528367;   Reaxys:3218651;   Wikipedia:Olsalazine
 cyclic_relationship: is_conjugate_acid_of CHEBI:63719

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Term Annotations click to browse term
  CHEBI ontology 19781
    role 19726
      application 19412
        pro-agent 8890
          prodrug 8645
            olsalazine 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19781
    subatomic particle 19779
      composite particle 19779
        hadron 19779
          baryon 19779
            nucleon 19779
              atomic nucleus 19779
                atom 19779
                  main group element atom 19669
                    p-block element atom 19669
                      carbon group element atom 19588
                        carbon atom 19578
                          organic molecular entity 19578
                            organic group 18620
                              organic divalent group 18611
                                organodiyl group 18611
                                  carbonyl group 18526
                                    carbonyl compound 18526
                                      carboxylic acid 18202
                                        aromatic carboxylic acid 11305
                                          benzoic acids 11276
                                            benzoic acid 3865
                                              hydroxybenzoic acid 3253
                                                monohydroxybenzoic acid 1287
                                                  salicylic acid 766
                                                    olsalazine 0
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