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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 25922
    chemical entity 25900
      molecular entity 25878
        inorganic molecular entity 25192
          inorganic radical 497
            trinitrogen(.) 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 25922
    subatomic particle 25896
      composite particle 25896
        hadron 25896
          baryon 25896
            nucleon 25896
              atomic nucleus 25896
                atom 25896
                  main group element atom 25720
                    p-block element atom 25720
                      pnictogen 23250
                        nitrogen atom 22478
                          nitrogen molecular entity 22478
                            elemental nitrogen 21
                              triatomic nitrogen 0
                                trinitrogen(.) 0
paths to the root