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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:140237 term browser browse the term
Definition:A docosanoid anion that is the conjugate base of (7Z,10Z,14E,16Z,19Z)-13-oxodocosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.
Synonyms:exact_synonym: (7Z,10Z,14E,16Z,19Z)-13-oxodocosa-7,10,14,16,19-pentaenoate
 related_synonym: (7Z,10Z,14E,16Z,19Z)-13-ketodocosapentaenoate;   13-oxo-(7Z,10Z,14E,16Z,19Z)-docosapentaenoate;   13-oxo-DPAn-3(1-);   13-oxo-omega-3-docosapentaenoate;   Formula=C22H31O3;   InChI=1S/C22H32O3/c1-2-3-4-5-9-12-15-18-21(23)19-16-13-10-7-6-8-11-14-17-20-22(24)25/h3-4,6-7,9,12-13,15-16,18H,2,5,8,10-11,14,17,19-20H2,1H3,(H,24,25)/p-1/b4-3-,7-6-,12-9-,16-13-,18-15+;   InChIKey=AGDTWQLXNUYUDC-RBIAUOINSA-M;   SMILES=C(C([O-])=O)CCCC/C=C\\C/C=C\\CC(/C=C/C=C\\C/C=C\\CC)=O
 cyclic_relationship: is_conjugate_base_of CHEBI:140205

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        ion 0
          anion 0
            organic anion 0
              carboxylic acid anion 0
                docosanoid anion 0
                  (7Z,10Z,14E,16Z,19Z)-13-oxodocosapentaenoate 0
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  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
                    p-block element atom 0
                      carbon group element atom 0
                        carbon atom 0
                          organic molecular entity 0
                            organic ion 0
                              organic anion 0
                                carboxylic acid anion 0
                                  monocarboxylic acid anion 0
                                    fatty acid anion 0
                                      unsaturated fatty acid anion 0
                                        polyunsaturated fatty acid anion 0
                                          (7Z,10Z,14E,16Z,19Z)-13-oxodocosapentaenoate 0
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