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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/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.

Term:olefin
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Accession:CHEBI:33641 term browser browse the term
Definition:Acyclic and cyclic hydrocarbons having one or more carbon-carbon double bonds, apart from the formal ones in aromatic compounds. The class olefins subsumes alkenes and cycloalkenes and the corresponding polyenes.
Synonyms:related_synonym: olefins


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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 880
    chemical entity 880
      atom 865
        nonmetal atom 845
          carbon atom 827
            organic molecular entity 827
              olefinic compound 353
                olefin 0
                  acyclic olefin + 0
                  cyclic olefin + 0
                  polyene + 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 880
    subatomic particle 865
      composite particle 865
        hadron 865
          baryon 865
            nucleon 865
              atomic nucleus 865
                atom 865
                  main group element atom 855
                    main group molecular entity 853
                      s-block molecular entity 737
                        hydrogen molecular entity 723
                          hydrides 347
                            organic hydride 246
                              organic fundamental parent 246
                                hydrocarbon 182
                                  olefin 0
                                    acyclic olefin + 0
                                    cyclic olefin + 0
                                    polyene + 0
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