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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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  CHEBI ontology 397
    role 397
      application 350
        dye 6
          cyanine dye 0
            Yo-Pro-3(2+) 0
              Yo-Pro-3 0
Path 2
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  CHEBI ontology 397
    subatomic particle 397
      composite particle 397
        hadron 397
          baryon 397
            nucleon 397
              atomic nucleus 397
                atom 397
                  main group element atom 390
                    main group molecular entity 390
                      s-block molecular entity 335
                        hydrogen molecular entity 334
                          hydrides 273
                            inorganic hydride 237
                              pnictogen hydride 236
                                nitrogen hydride 236
                                  ammonium 5
                                    ammonium ion derivative 5
                                      quaternary ammonium ion 5
                                        Yo-Pro-3(2+) 0
                                          Yo-Pro-3 0
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