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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:82771 term browser browse the term
Definition:A quaternary ammonium ion obtained by protonation of the four primary amino groups of N(4)-bis(aminopropyl)spermidine.
Synonyms:exact_synonym: N,N,N-tris(3-azaniumylpropyl)butane-1,4-diaminium
 related_synonym: Formula=C13H38N5;   InChI=1S/C13H34N5/c14-6-1-2-10-18(11-3-7-15,12-4-8-16)13-5-9-17/h1-17H2/q+1/p+4;   InChIKey=FMTAVYOBEGHWPT-UHFFFAOYSA-R;   N(4)-bis(aminopropyl)spermidine;   SMILES=[NH3+]CCCC[N+](CCC[NH3+])(CCC[NH3+])CCC[NH3+]
 xref: PMID:24610711
 cyclic_relationship: is_conjugate_base_of CHEBI:83553

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Term Annotations click to browse term
  CHEBI ontology 19781
    chemical entity 19781
      molecular entity 19779
        ion 15942
          organic ion 8462
            organic cation 7320
              quaternary ammonium ion 5109
                N(4)-bis(aminopropyl)spermidine(5+) 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19781
    subatomic particle 19779
      composite particle 19779
        hadron 19779
          baryon 19779
            nucleon 19779
              atomic nucleus 19779
                atom 19779
                  main group element atom 19669
                    main group molecular entity 19669
                      s-block molecular entity 19434
                        hydrogen molecular entity 19429
                          hydrides 18757
                            inorganic hydride 17455
                              pnictogen hydride 17431
                                nitrogen hydride 17278
                                  ammonium 8223
                                    ammonium ion derivative 8219
                                      quaternary ammonium ion 5109
                                        N(4)-bis(aminopropyl)spermidine(5+) 0
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