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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:4-methylpent-3-enoic acid
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Accession:CHEBI:143856 term browser browse the term
Definition:A methyl-branched chain fatty acid that is pent-3-enoic acid substituted by a methyl group at position 4.
Synonyms:related_synonym: 4-methyl-3-pentenoic acid;   Formula=C6H10O2;   InChI=1S/C6H10O2/c1-5(2)3-4-6(7)8/h3H,4H2,1-2H3,(H,7,8);   InChIKey=CQJHAULYLJXJNL-UHFFFAOYSA-N;   SMILES=OC(=O)CC=C(C)C;   pyroterebic acid
 xref: CAS:504-85-8;   LIPID_MAPS_instance:LMFA01020031;   PMID:27490971;   PMID:4286899

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Path 1
Term Annotations click to browse term
  CHEBI ontology 20072
    chemical entity 20071
      molecular entity 20071
        polyatomic entity 20000
          molecule 19859
            organic molecule 19835
              volatile organic compound 15574
                4-methylpent-3-enoic acid 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 20072
    subatomic particle 20071
      composite particle 20071
        hadron 20071
          baryon 20071
            nucleon 20071
              atomic nucleus 20071
                atom 20071
                  main group element atom 19971
                    p-block element atom 19971
                      carbon group element atom 19894
                        carbon atom 19887
                          organic molecular entity 19887
                            organic group 18965
                              organic divalent group 18951
                                organodiyl group 18951
                                  carbonyl group 18903
                                    carbonyl compound 18903
                                      carboxylic acid 18601
                                        monocarboxylic acid 17854
                                          fatty acid 16484
                                            unsaturated fatty acid 970
                                              monounsaturated fatty acid 453
                                                4-methylpent-3-enoic acid 0
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