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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:52946 term browser browse the term
Definition:An unsymmetrical cationic C3 cyanine dye having 1,3-benzoxazol-2-yl and quinolinium-4-yl substituents.
Synonyms:exact_synonym: 3-methyl-2-(3-{1-[3-(trimethylammonio)propyl]quinolin-4(1H)-ylidene}prop-1-en-1-yl)-1,3-benzoxazol-3-ium;   4-[3-(3-methyl-1,3-benzoxazol-2(3H)-ylidene)prop-1-en-1-yl]-1-[3-(trimethylammonio)propyl]quinolinium
 related_synonym: Formula=C26H31N3O;   InChI=1S/C26H31N3O/c1-27-24-14-7-8-15-25(24)30-26(27)16-9-11-21-17-19-28(18-10-20-29(2,3)4)23-13-6-5-12-22(21)23/h5-9,11-17,19H,10,18,20H2,1-4H3/q+2;   InChIKey=JIYYUKBHTPHYQP-UHFFFAOYSA-N;   SMILES=[H]C(=Cc1oc2ccccc2[n+]1C)C([H])=C1C=CN(CCC[N+](C)(C)C)c2ccccc12;   Yo-Pro-3 cation;   Yo-Pro-3 dication

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Term Annotations click to browse term
  CHEBI ontology 24779
    role 24695
      application 23844
        dye 1330
          cyanine dye 9
            Yo-Pro-3(2+) 0
              Yo-Pro-3 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 24779
    subatomic particle 24738
      composite particle 24738
        hadron 24738
          baryon 24738
            nucleon 24738
              atomic nucleus 24738
                atom 24738
                  main group element atom 24603
                    main group molecular entity 24603
                      s-block molecular entity 23910
                        hydrogen molecular entity 23749
                          hydrides 21960
                            inorganic hydride 19160
                              pnictogen hydride 19133
                                nitrogen hydride 18810
                                  ammonium 8048
                                    ammonium ion derivative 8044
                                      quaternary ammonium ion 5194
                                        Yo-Pro-3(2+) 0
                                          Yo-Pro-3 0
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