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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:140780 term browser browse the term
Definition:Any one of a class of organic heteropolycyclic compounds having a polycyclic cage structure containing four nitrogen atoms linked by carbons, the nitrogens occupying the vertices of a tetrahedron or similar cyclic structure, with potentially four faces and six edges, with carbon chains running approximately along the edges.
Synonyms:related_synonym: adamanzanes
 xref: PMID:11327909;   PMID:11399182;   PMID:17712450;   PMID:21933409;   Wikipedia:Adamanzane

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Path 1
Term Annotations click to browse term
  CHEBI ontology 21788
    chemical entity 21786
      molecular entity 21773
        polyatomic entity 21667
          molecule 21316
            cyclic compound 20896
              polycyclic compound 20160
                bridged compound 1726
                  polycyclic cage 1555
                    adamanzane 0
                      1,3,6,8-tetraazatricyclo[4,4,1,1(3,8)]dodecane 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 21788
    subatomic particle 21774
      composite particle 21774
        hadron 21774
          baryon 21774
            nucleon 21774
              atomic nucleus 21774
                atom 21774
                  main group element atom 21691
                    p-block element atom 21691
                      carbon group element atom 21506
                        carbon atom 21408
                          organic molecular entity 21408
                            organic molecule 21306
                              organic cyclic compound 20895
                                organic heterocyclic compound 19937
                                  organic heteropolycyclic compound 19518
                                    adamanzane 0
                                      1,3,6,8-tetraazatricyclo[4,4,1,1(3,8)]dodecane 0
paths to the root