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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:180439 term browser browse the term
Synonyms:exact_synonym: 3,4,4a,5,6,7,8,8a-octahydrochromen-2-one
 related_synonym: Formula=C9H14O2;   InChI=1S/C9H14O2/c10-9-6-5-7-3-1-2-4-8(7)11-9/h7-8H,1-6H2;   InChIKey=MSFLYJIWLHSQLG-UHFFFAOYSA-N;   SMILES=O1C2C(CCCC2)CCC1=O
 xref: CAS:4430-31-3;   Chemspider:19294;   HMDB:HMDB0037276

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 0
    chemical entity 0
      atom 0
        nonmetal atom 0
          oxygen atom 0
            oxygen molecular entity 0
              organooxygen compound 0
                oxacycle 0
                  benzopyran 0
                    Octahydro-2H-1-benzopyran-2-one 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 0
    subatomic particle 0
      composite particle 0
        hadron 0
          baryon 0
            nucleon 0
              atomic nucleus 0
                atom 0
                  main group element atom 0
                    main group molecular entity 0
                      p-block molecular entity 0
                        carbon group molecular entity 0
                          organic molecular entity 0
                            organic molecule 0
                              organic cyclic compound 0
                                organic heterocyclic compound 0
                                  organic heteropolycyclic compound 0
                                    benzopyran 0
                                      Octahydro-2H-1-benzopyran-2-one 0
paths to the root