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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:133842 term browser browse the term
Definition:A member of the class of hydroquinones that is hydroquinone in which one of the benzene hydrogens has been replaced by a methyl group.
Synonyms:exact_synonym: 2-methylbenzene-1,4-diol
 related_synonym: 1,4-dihydroxy-2-methylbenzene;   2,5-dihydroxytoluene;   2,5-toluenediol;   2-methylhydroquinone;   Formula=C7H8O2;   InChI=1S/C7H8O2/c1-5-4-6(8)2-3-7(5)9/h2-4,8-9H,1H3;   InChIKey=CNHDIAIOKMXOLK-UHFFFAOYSA-N;   SMILES=C=1(C(=CC(=CC1)O)C)O;   THQ;   methyl-p-hydroquinone;   methylhydroquinone;   p-toluhydroquinol;   p-toluhydroquinone;   p-toluquinol;   toluhydroquinone;   tolylhydroquinone
 xref: CAS:95-71-6;   MetaCyc:CPD-16720;   PMID:17725564;   PMID:23603293;   PMID:25776491;   PMID:25904113;   PMID:27018653;   Reaxys:2041489

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19792
    role 19738
      application 19385
        anti-inflammatory agent 14964
          toluquinol 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19792
    subatomic particle 19788
      composite particle 19788
        hadron 19788
          baryon 19788
            nucleon 19788
              atomic nucleus 19788
                atom 19788
                  main group element atom 19675
                    p-block element atom 19675
                      carbon group element atom 19571
                        carbon atom 19560
                          organic molecular entity 19560
                            organic molecule 19483
                              organic cyclic compound 19252
                                organic aromatic compound 19072
                                  phenols 18142
                                    benzenediols 6027
                                      hydroquinones 957
                                        toluquinol 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.