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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 21737
    chemical entity 21735
      group 21611
        polyatomic entity 21611
          molecule 21250
            cyclic compound 20832
              polycyclic compound 20107
                spiro compound 1319
                  azaspiro compound 811
                    Annotine 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 21737
    subatomic particle 21723
      composite particle 21723
        hadron 21723
          baryon 21723
            nucleon 21723
              atomic nucleus 21723
                atom 21723
                  main group element atom 21638
                    p-block element atom 21638
                      carbon group element atom 21444
                        carbon atom 21345
                          organic molecular entity 21345
                            organic molecule 21240
                              organic cyclic compound 20831
                                organic heterocyclic compound 19831
                                  organonitrogen heterocyclic compound 18036
                                    azaspiro compound 811
                                      Annotine 0
paths to the root