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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:139466 term browser browse the term
Definition:A sulfone that is a metabolite of dapsone in which one of the amino groups of dapsone has been oxidized to a nitroso group.
Synonyms:exact_synonym: 4-(4-nitrosobenzene-1-sulfonyl)aniline
 related_synonym: 4-[(4-nitrosophenyl)sulfonyl]benzenamine;   Formula=C12H10N2O3S;   InChI=1S/C12H10N2O3S/c13-9-1-5-11(6-2-9)18(16,17)12-7-3-10(14-15)4-8-12/h1-8H,13H2;   InChIKey=UAQFAHXMXOCEAD-UHFFFAOYSA-N;   SMILES=S(C1=CC=C(C=C1)N=O)(C2=CC=C(C=C2)N)(=O)=O
 xref: PMID:29045131

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19860
    chemical entity 19858
      group 19816
        inorganic group 19399
          nitroso group 5068
            nitroso compound 5068
              nitroso-dapsone 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19860
    subatomic particle 19858
      composite particle 19858
        hadron 19858
          baryon 19858
            nucleon 19858
              atomic nucleus 19858
                atom 19858
                  main group element atom 19804
                    main group molecular entity 19804
                      s-block molecular entity 19637
                        hydrogen molecular entity 19618
                          hydrides 19124
                            inorganic hydride 18133
                              pnictogen hydride 18122
                                nitrogen hydride 18030
                                  azane 17837
                                    ammonia 17836
                                      organic amino compound 17836
                                        aromatic amine 15490
                                          anilines 14427
                                            substituted aniline 14068
                                              dapsone 38
                                                nitroso-dapsone 0
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