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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.

Term:octatrienoic acid
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Accession:CHEBI:25654 term browser browse the term
Definition:Any medium-chain fatty acid with eighteen carbons and three double bonds.

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 21416
    chemical entity 21414
      atom 21412
        nonmetal atom 21283
          carbon atom 20979
            organic molecular entity 20979
              lipid 17685
                fatty acid 16407
                  medium-chain fatty acid 2889
                    octatrienoic acid 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 21416
    subatomic particle 21412
      composite particle 21412
        hadron 21412
          baryon 21412
            nucleon 21412
              atomic nucleus 21412
                atom 21412
                  main group element atom 21307
                    p-block element atom 21307
                      carbon group element atom 21082
                        carbon atom 20979
                          organic molecular entity 20979
                            organic group 19479
                              organic divalent group 19469
                                organodiyl group 19469
                                  carbonyl group 19446
                                    carbonyl compound 19446
                                      carboxylic acid 19060
                                        monocarboxylic acid 18317
                                          fatty acid 16407
                                            unsaturated fatty acid 919
                                              polyunsaturated fatty acid 669
                                                trienoic fatty acid 110
                                                  octatrienoic acid 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.