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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:59026 term browser browse the term
Definition:A pyrazolone, a member of the class of pyrazoles that is antipyrine substituted at C-4 by an amino group. It is a metabolite of aminopyrine and of metamizole.
Synonyms:exact_synonym: 4-amino-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one
 related_synonym: 4-AAP;   4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one;   4-Aminoantipyrene;   4-Aminophenazone;   Aminoantipyrin;   Aminoantipyrine;   Aminoazophenazone;   Aminoazophene;   Ampyrone;   Formula=C11H13N3O;   InChI=1S/C11H13N3O/c1-8-10(12)11(15)14(13(8)2)9-6-4-3-5-7-9/h3-7H,12H2,1-2H3;   InChIKey=RLFWWDJHLFCNIJ-UHFFFAOYSA-N;   Metapirazone;   SMILES=Cc1c(N)c(=O)n(-c2ccccc2)n1C;   Solnapyrin-A;   Solvapyrin-A
 xref: Beilstein:181635;   CAS:83-07-8;   LINCS:LSM-5369;   PMID:24056243;   PMID:24508878;   PMID:25476354;   PMID:25652276;   PMID:25947243;   PMID:3425858;   Reaxys:181635;   Wikipedia:Ampyrone

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Term Annotations click to browse term
  CHEBI ontology 0
    role 0
      biological role 0
        xenobiotic 0
          antipyrine 0
            4-aminoantipyrine 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 0
    subatomic particle 0
      composite particle 0
        hadron 0
          baryon 0
            nucleon 0
              atomic nucleus 0
                atom 0
                  main group element atom 0
                    p-block element atom 0
                      carbon group element atom 0
                        carbon atom 0
                          organic molecular entity 0
                            organic molecule 0
                              organic cyclic compound 0
                                organic heterocyclic compound 0
                                  heteroarene 0
                                    monocyclic heteroarene 0
                                      azole 0
                                        diazole 0
                                          pyrazoles 0
                                            pyrazolone 0
                                              antipyrine 0
                                                4-aminoantipyrine 0
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