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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:nicotine blue
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Accession:CHEBI:65011 term browser browse the term
Definition:An extended quinone obtained by formal autoxidation of 2,3,6-trihydroxypyridine.
Synonyms:exact_synonym: (3E)-5-hydroxy-3-(5-hydroxy-2,6-dioxo-1,6-dihydropyridin-3(2H)-ylidene)pyridine-2,6(1H,3H)-dione;   (5E)-5-(2,5-dihydroxy-6-oxopyridin-3(6H)-ylidene)-3,6-dihydroxypyridin-2(5H)-one
 related_synonym: Diazodiphenoquinone;   Formula=C10H6N2O6;   InChI=1S/C10H6N2O6/c13-5-1-3(7(15)11-9(5)17)4-2-6(14)10(18)12-8(4)16/h1-2,13-14H,(H,11,15,17)(H,12,16,18)/b4-3+;   InChIKey=JUTQRXXDIORLET-ONEGZZNKSA-N;   SMILES=OC1=C\\C(\\C(O)=NC1=O)=C1\\C=C(O)C(=O)N=C\\1O
 xref: CAS:2435-60-1;   MetaCyc:CPD-14081;   PMID:17293530;   PMID:4707595;   Reaxys:621303
 cyclic_relationship: is_conjugate_acid_of CHEBI:64998

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  CHEBI ontology 19853
    role 19804
      biological role 19804
        biophysical role 12649
          biological pigment 1050
            nicotine blue 0
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  CHEBI ontology 19853
    subatomic particle 19851
      composite particle 19851
        hadron 19851
          baryon 19851
            nucleon 19851
              atomic nucleus 19851
                atom 19851
                  main group element atom 19744
                    p-block element atom 19744
                      carbon group element atom 19650
                        carbon atom 19639
                          organic molecular entity 19639
                            organic molecule 19568
                              organic cyclic compound 19378
                                organic heterocyclic compound 18495
                                  organic heteromonocyclic compound 16597
                                    pyridines 8412
                                      hydroxypyridine 66
                                        triihydroxypyridine 0
                                          2,3,6-trihydroxypyridine 0
                                            nicotine blue 0
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