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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:83479 term browser browse the term
Definition:A heteroaryl hydroxy compound that is pyridazin-3-ol substituted by an amino group at position 5 and a chloro group at position 4. It is a metabolite of the herbicide chloridazone.
Synonyms:exact_synonym: 5-amino-4-chloropyridazin-3-ol
 related_synonym: Formula=C4H4ClN3O;   InChI=1S/C4H4ClN3O/c5-3-2(6)1-7-8-4(3)9/h1H,(H3,6,8,9);   InChIKey=FEWPCPCEGBPTAL-UHFFFAOYSA-N;   SMILES=Nc1cnnc(O)c1Cl
 xref: CAS:6339-19-1;   PMID:22322333;   Reaxys:638650

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Term Annotations click to browse term
  CHEBI ontology 20057
    role 20023
      biological role 20010
        biochemical role 19662
          metabolite 19645
            xenobiotic metabolite 14890
              marine xenobiotic metabolite 4055
                chloridazone-desphenyl 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 20057
    subatomic particle 20056
      composite particle 20068
        hadron 20056
          baryon 20056
            nucleon 20056
              atomic nucleus 20056
                atom 20056
                  main group element atom 19971
                    main group molecular entity 19959
                      s-block molecular entity 19758
                        hydrogen molecular entity 19764
                          hydrides 19134
                            inorganic hydride 17935
                              pnictogen hydride 17901
                                nitrogen hydride 17789
                                  azane 17542
                                    ammonia 17541
                                      organic amino compound 17541
                                        primary amino compound 8289
                                          primary amine 5866
                                            primary arylamine 3141
                                              chloridazone-desphenyl 0
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