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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:137475 term browser browse the term
Definition:An epoxy(hydroxy)icosatrienoate that is the conjugate base of 20-hydroxy-11,12-epoxy-(5Z,8Z,14Z)-eicosatrienoic acid arising from deprotonation of the carboxylic acid function; major species at pH 7.3.
Synonyms:exact_synonym: (5Z,8Z)-10-{3-[(2Z)-8-hydroxyoct-2-en-1-yl]oxiran-2-yl}deca-5,8-dienoate
 related_synonym: 11,12-epoxy-20-hydroxy-(5Z,8Z,14Z)-eicosatrienoate;   20,11(12)-HEET(1-);   Formula=C20H31O4;   InChI=1S/C20H32O4/c21-17-13-9-5-4-7-11-15-19-18(24-19)14-10-6-2-1-3-8-12-16-20(22)23/h1,3,6-7,10-11,18-19,21H,2,4-5,8-9,12-17H2,(H,22,23)/p-1/b3-1-,10-6-,11-7-;   InChIKey=IGTPAVNSPWMOQM-WDVHGCLESA-M;   SMILES=C(CCCO)C/C=C\\CC1C(C/C=C\\C/C=C\\CCCC([O-])=O)O1
 xref: PMID:15145985
 cyclic_relationship: is_conjugate_base_of CHEBI:138273

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  CHEBI ontology 19771
    chemical entity 19771
      molecular entity 19770
        ion 15945
          anion 14973
            organic anion 3036
              carboxylic acid anion 2398
                icosanoid anion 1
                  11,12-epoxy-20-hydroxy-(5Z,8Z,14Z)-icosatrienoate 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19771
    subatomic particle 19770
      composite particle 19770
        hadron 19770
          baryon 19770
            nucleon 19770
              atomic nucleus 19770
                atom 19770
                  main group element atom 19658
                    p-block element atom 19658
                      carbon group element atom 19574
                        carbon atom 19564
                          organic molecular entity 19564
                            organic ion 8455
                              organic anion 3036
                                carboxylic acid anion 2398
                                  monocarboxylic acid anion 1499
                                    fatty acid anion 103
                                      unsaturated fatty acid anion 1
                                        polyunsaturated fatty acid anion 1
                                          HPETE anion 1
                                            11-HPETE(1-) 1
                                              arachidonate 1
                                                11,12-EET(1-) 0
                                                  11,12-epoxy-20-hydroxy-(5Z,8Z,14Z)-icosatrienoate 0
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