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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:5757 term browser browse the term
Definition:An ammonium betaine that is pipecolic acid zwitterion with methyl groups substituted for the two hydrogens at the nitrogen. It is found in in fruits, seeds, and leaves of orange, lemon, and bergamot.
Synonyms:exact_synonym: 1,1-dimethylpiperidinium-2-carboxylate
 related_synonym: Formula=C8H15NO2;   InChI=1S/C8H15NO2/c1-9(2)6-4-3-5-7(9)8(10)11/h7H,3-6H2,1-2H3;   InChIKey=XULZWQRXYTVUTE-UHFFFAOYSA-N;   SMILES=C[N+]1(C)CCCCC1C([O-])=O;   pipecolic acid betaine
 xref: CAS:1195-94-4;   KEGG:C08283;   KNApSAcK:C00001367;   PMID:22208890;   Patent:US5972840;   Reaxys:4135110

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Term Annotations click to browse term
  CHEBI ontology 19762
    role 19708
      biological role 19708
        biochemical role 19312
          metabolite 19291
            eukaryotic metabolite 18959
              plant metabolite 17439
                homostachydrine 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19762
    subatomic particle 19760
      composite particle 19760
        hadron 19760
          baryon 19760
            nucleon 19760
              atomic nucleus 19760
                atom 19760
                  main group element atom 19651
                    main group molecular entity 19651
                      s-block molecular entity 19418
                        hydrogen molecular entity 19413
                          hydrides 18746
                            inorganic hydride 17471
                              pnictogen hydride 17448
                                nitrogen hydride 17302
                                  ammonium 8214
                                    ammonium ion derivative 8210
                                      quaternary ammonium ion 5107
                                        quaternary nitrogen compound 619
                                          ammonium betaine 337
                                            homostachydrine 0
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