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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:271685 term browser browse the term
Definition:A quarternary ammonium cation having one ethyl and three methyl substituents around the central nitrogen.
Synonyms:exact_synonym: N,N,N-trimethylethanaminium
 related_synonym: Formula=C5H14N;   InChI=1S/C5H14N/c1-5-6(2,3)4/h5H2,1-4H3/q+1;   InChIKey=YOMFVLRTMZWACQ-UHFFFAOYSA-N;   SMILES=CC[N+](C)(C)C;   TMEA;   Trimethylethylammonium;   ethyltrimethylammonium cation;   ethyltrimethylammonium ion
 xref: Beilstein:1733271;   CAS:15302-88-2;   PMID:15149650

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Term Annotations click to browse term
  CHEBI ontology 24775
    chemical entity 24745
      molecular entity 24712
        ion 17258
          organic ion 8792
            organic cation 7525
              quaternary ammonium ion 5196
                ethyltrimethylammonium 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 24775
    subatomic particle 24735
      composite particle 24735
        hadron 24735
          baryon 24735
            nucleon 24735
              atomic nucleus 24735
                atom 24735
                  main group element atom 24601
                    main group molecular entity 24601
                      s-block molecular entity 23907
                        hydrogen molecular entity 23745
                          hydrides 21962
                            inorganic hydride 19168
                              pnictogen hydride 19141
                                nitrogen hydride 18819
                                  ammonium 8050
                                    ammonium ion derivative 8046
                                      quaternary ammonium ion 5196
                                        ethyltrimethylammonium 0
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