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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:2743 term browser browse the term
Definition:An azaspiro compound that has formula C16H21NO3.
Synonyms:related_synonym: Formula=C16H21NO3;   InChI=1S/C16H21NO3/c1-14-9-15-10-4-2-6-17(15)7-3-5-16(15,19)12(14)8-11(10)20-13(14)18/h3,5,10-12,19H,2,4,6-9H2,1H3/t10-,11-,12-,14?,15+,16+/m1/s1;   InChIKey=AAZRLGLWPJJDGC-KPYWPBPJSA-N;   SMILES=CC12C[C@@]34[C@@H]5CCCN3CC=C[C@]4(O)[C@@H]1C[C@H]5OC2=O
 xref: CAS:5096-59-3;   KEGG:C09852;   KNApSAcK:C00001932

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Path 1
Term Annotations click to browse term
  CHEBI ontology 902
    chemical entity 902
      group 867
        polyatomic entity 867
          molecule 743
            cyclic compound 652
              polycyclic compound 329
                spiro compound 11
                  azaspiro compound 0
                    Annotine 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 902
    subatomic particle 887
      composite particle 887
        hadron 887
          baryon 887
            nucleon 887
              atomic nucleus 887
                atom 887
                  main group element atom 856
                    p-block element atom 853
                      carbon group element atom 829
                        carbon atom 828
                          organic molecular entity 828
                            organic molecule 742
                              organic cyclic compound 652
                                organic heterocyclic compound 364
                                  organonitrogen heterocyclic compound 221
                                    azaspiro compound 0
                                      Annotine 0
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