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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:fluorescein-5-carbonyl group
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Accession:CHEBI:138475 term browser browse the term
Definition:A univalent carboacyl group formed from 5-carboxyfluorescein.
Synonyms:exact_synonym: 3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-5-carbonyl
 related_synonym: Formula=C21H11O6;   SMILES=OC1=CC=C2C3(OC(C4=C3C=CC(=C4)C(*)=O)=O)C=5C(OC2=C1)=CC(=CC5)O;   fluorescein-5-carbonyl

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19787
    chemical entity 19787
      group 19698
        organic group 18495
          acyl group 17348
            carboacyl group 17348
              univalent carboacyl group 17348
                fluorescein-5-carbonyl group 0
                  fluorescein-5(6)-carbonyl group 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19787
    subatomic particle 19784
      composite particle 19784
        hadron 19784
          baryon 19784
            nucleon 19784
              atomic nucleus 19784
                atom 19784
                  main group element atom 19672
                    p-block element atom 19672
                      carbon group element atom 19574
                        carbon atom 19563
                          organic molecular entity 19563
                            organic group 18495
                              organic divalent group 18488
                                organodiyl group 18488
                                  carbonyl group 18391
                                    carbonyl compound 18391
                                      carboxylic ester 14077
                                        lactone 5979
                                          gamma-lactone 1214
                                            fluorescein 67
                                              5-carboxyfluorescein 1
                                                fluorescein-5-carbonyl group 0
                                                  fluorescein-5(6)-carbonyl group 0
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