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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 19767
    role 19714
      chemical role 19255
        antioxidant 14274
          radical scavenger 5246
            alpha-(4-hydroxyphenyl)-N-tert-butylnitrone 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19767
    subatomic particle 19766
      composite particle 19766
        hadron 19766
          baryon 19766
            nucleon 19766
              atomic nucleus 19766
                atom 19766
                  main group element atom 19657
                    p-block element atom 19657
                      p-block molecular entity 19657
                        carbon group molecular entity 19573
                          organic molecular entity 19563
                            organic molecule 19496
                              dipolar compound 1026
                                ylide 3
                                  nitrogen ylide 3
                                    nitrone 3
                                      alpha-(4-hydroxyphenyl)-N-tert-butylnitrone 0
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