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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:77433 term browser browse the term
Definition:A nitrone that is the N-oxido derivative of 4-[(tert-butylimino)methyl]phenol.
Synonyms:exact_synonym: 4-{[tert-butyl(oxido)-lambda(5)-azanylidene]methyl}phenol
 related_synonym: 4-OH-PBN;   4-hydroxyphenyl-N-tert-butylnitrone;   Formula=C11H15NO2;   InChI=1S/C11H15NO2/c1-11(2,3)12(14)8-9-4-6-10(13)7-5-9/h4-8,13H,1-3H3/b12-8-;   InChIKey=PSYHRZCRICXGJJ-WQLSENKSSA-N;   SMILES=CC(C)(C)[N+](\\[O-])=C\\c1ccc(O)cc1
 xref: PMID:12527695;   PMID:15283300;   PMID:16420025;   PMID:18631321;   PMID:19886748;   Reaxys:4246344

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Path 1
Term Annotations click to browse term
  CHEBI ontology 20089
    role 20042
      chemical role 19589
        antioxidant 15678
          radical scavenger 6263
            alpha-(4-hydroxyphenyl)-N-tert-butylnitrone 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 20089
    subatomic particle 20058
      composite particle 20058
        hadron 20088
          baryon 20088
            nucleon 20088
              atomic nucleus 20088
                atom 20058
                  main group element atom 19960
                    p-block element atom 19990
                      p-block molecular entity 19990
                        carbon group molecular entity 19885
                          organic molecular entity 19909
                            organic molecule 19856
                              dipolar compound 1072
                                ylide 3
                                  nitrogen ylide 3
                                    nitrone 3
                                      alpha-(4-hydroxyphenyl)-N-tert-butylnitrone 0
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