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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/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.

Term:diazines
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Accession:CHEBI:38313 term browser browse the term
Definition:Any organic heterocyclic compound containing a benzene ring in which two of the C-H fragments have been replaced by isolobal nitrogens (the diazine parent structure).


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  • Term paths to the root
    Path 1
    Term Annotations click to browse term
      CHEBI ontology 19762
        chemical entity 19762
          atom 19760
            nonmetal atom 19641
              nitrogen atom 18634
                nitrogen molecular entity 18634
                  organonitrogen compound 18386
                    organonitrogen heterocyclic compound 17585
                      diazines 12246
                        diazine + 1
                        pyrazines + 1047
                        pyridazines + 121
                        pyrimidines + 12070
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19762
        subatomic particle 19760
          composite particle 19760
            hadron 19760
              baryon 19760
                nucleon 19760
                  atomic nucleus 19760
                    atom 19760
                      main group element atom 19651
                        p-block element atom 19651
                          carbon group element atom 19570
                            carbon atom 19560
                              organic molecular entity 19560
                                organic molecule 19493
                                  organic cyclic compound 19322
                                    organic heterocyclic compound 18554
                                      organic heteromonocyclic compound 17055
                                        diazines 12246
                                          diazine + 1
                                          pyrazines + 1047
                                          pyridazines + 121
                                          pyrimidines + 12070
    paths to the root