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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:76158 term browser browse the term
Definition:A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is replaced by a 4-isobutylphenyl group. Although it was shown to be effective in treatment of rheumatoid arthritis, the clinical use of ibufenac was discontinued due to hepatotoxic side-effects.
Synonyms:exact_synonym: (4-isobutylphenyl)acetic acid;   [4-(2-methylpropyl)phenyl]acetic acid
 related_synonym: (p-Isobutylphenyl)acetic acid;   4-(2-Methylpropyl)benzeneacetic acid;   4-Isobutylphenylacetic acid;   Dytransin;   Formula=C12H16O2;   Ibunac;   InChI=1S/C12H16O2/c1-9(2)7-10-3-5-11(6-4-10)8-12(13)14/h3-6,9H,7-8H2,1-2H3,(H,13,14);   InChIKey=CYWFCPPBTWOZSF-UHFFFAOYSA-N;   SMILES=CC(C)Cc1ccc(CC(O)=O)cc1;   ibufenaco;   ibufenacum
 xref: CAS:1553-60-2;   Drug_Central:3293;   KEGG:D01963
 xref_mesh: MESH:C100118
 xref: PMID:1479559;   PMID:16456879;   PMID:21128314;   PMID:2585272;   PMID:3215965;   PMID:5329891;   PMID:5657238;   PMID:5748163;   PMID:5752436;   PMID:5807207;   PMID:687781;   PMID:7587932;   PMID:9061203;   Patent:US2008014272;   Patent:US2011212904;   Patent:US4391814;   Patent:WO2010013279;   Reaxys:2046683

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  CHEBI ontology 19810
    role 19758
      biological role 19758
        aetiopathogenetic role 18951
          hepatotoxic agent 14583
            ibufenac 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19810
    subatomic particle 19808
      composite particle 19808
        hadron 19808
          baryon 19808
            nucleon 19808
              atomic nucleus 19808
                atom 19808
                  main group element atom 19696
                    p-block element atom 19696
                      carbon group element atom 19599
                        carbon atom 19588
                          organic molecular entity 19588
                            organic group 18527
                              organic divalent group 18520
                                organodiyl group 18520
                                  carbonyl group 18427
                                    carbonyl compound 18427
                                      carboxylic acid 18108
                                        monocarboxylic acid 17475
                                          acetic acid 10809
                                            ibufenac 0
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