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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:136682 term browser browse the term
Definition:A quaternary ammonium ion obtained by methylation of the tertiary amino function of reticuline.
Synonyms:exact_synonym: 7-hydroxy-1-[(3-hydroxy-4-methoxyphenyl)methyl]-6-methoxy-2,2-dimethyl-1,2,3,4-tetrahydroisoquinolin-2-ium
 related_synonym: Formula=C20H26NO4;   InChI=1S/C20H25NO4/c1-21(2)8-7-14-11-20(25-4)18(23)12-15(14)16(21)9-13-5-6-19(24-3)17(22)10-13/h5-6,10-12,16H,7-9H2,1-4H3,(H-,22,23)/p+1;   InChIKey=ABSDACFLIMOXJY-UHFFFAOYSA-O;   SMILES=[N+]1(C(C2=C(CC1)C=C(C(=C2)O)OC)CC3=CC=C(C(=C3)O)OC)(C)C
 xref: PMID:11429249;   PMID:17404954;   PMID:26944237;   Reaxys:1553693

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Path 1
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
                tembetarine 0
                  (R)-tembetarine 0
                  (S)-tembetarine 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
                    p-block element atom 24601
                      carbon group element atom 24393
                        carbon atom 24357
                          organic molecular entity 24357
                            organic molecule 24240
                              organic cyclic compound 23484
                                organic heterocyclic compound 21767
                                  organonitrogen heterocyclic compound 19284
                                    isoquinolines 442
                                      isoquinolinol 36
                                        reticuline 0
                                          tembetarine 0
                                            (R)-tembetarine 0
                                            (S)-tembetarine 0
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