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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:29448 term browser browse the term
Definition:A triatomic nitrogen that has formula N3.
Synonyms:exact_synonym: trinitrogen(2N--N)(.)
 related_synonym: Formula=N3;   InChI=1S/N3/c1-3-2;   InChIKey=DUAJIKVIRGATIW-UHFFFAOYSA-N;   N3;   SMILES=[N]=[N+]=[N-];   azide radical
 xref: CAS:12596-60-0;   Gmelin:770

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19818
    chemical entity 19816
      molecular entity 19816
        inorganic molecular entity 19624
          inorganic radical 437
            trinitrogen(.) 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19818
    subatomic particle 19816
      composite particle 19816
        hadron 19816
          baryon 19816
            nucleon 19816
              atomic nucleus 19816
                atom 19816
                  main group element atom 19761
                    p-block element atom 19761
                      pnictogen 19000
                        nitrogen atom 18922
                          nitrogen molecular entity 18922
                            elemental nitrogen 21
                              triatomic nitrogen 0
                                trinitrogen(.) 0
paths to the root