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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 24779
    chemical entity 24749
      group 24645
        polyatomic entity 24645
          molecule 24249
            cyclic compound 23487
              polycyclic compound 22527
                spiro compound 1326
                  azaspiro compound 820
                    Annotine 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 24779
    subatomic particle 24738
      composite particle 24738
        hadron 24738
          baryon 24738
            nucleon 24738
              atomic nucleus 24738
                atom 24738
                  main group element atom 24603
                    p-block element atom 24603
                      carbon group element atom 24396
                        carbon atom 24360
                          organic molecular entity 24360
                            organic molecule 24243
                              organic cyclic compound 23487
                                organic heterocyclic compound 21767
                                  organonitrogen heterocyclic compound 19282
                                    azaspiro compound 820
                                      Annotine 0
paths to the root