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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:61751 term browser browse the term
Definition:A carbohydrate derivative consisting of beta-D-galactose having a 1-carboxyethylidene group masking the 3-and 4-positions.
Synonyms:exact_synonym: 3,4-O-[(1S)-1-carboxyethylidene]-beta-D-galactopyranose
 related_synonym: 3,4-Pydgal;   3,4-Pyruvylated D-galactose;   3,4-Pyruvylated galactose;   Formula=C9H14O8;   InChI=1S/C9H14O8/c1-9(8(13)14)16-5-3(2-10)15-7(12)4(11)6(5)17-9/h3-7,10-12H,2H2,1H3,(H,13,14)/t3-,4-,5+,6-,7-,9+/m1/s1;   InChIKey=KLSAAUGREIROIS-BDIBXJNUSA-N;   SMILES=C[C@]1(O[C@@H]2[C@@H](O)[C@H](O)O[C@H](CO)[C@@H]2O1)C(O)=O;   beta-D-galactose 3,4-pyruvate acetal
 xref: CAS:82556-10-3;   PMID:6158553

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19816
    role 19764
      biological role 19764
        biochemical role 19313
          metabolite 19294
            fundamental metabolite 12621
              galactose 166
                D-galactose 166
                  D-galactopyranose 166
                    3,4-O-[(1S)-1-carboxyethylidene]-beta-D-galactose 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19816
    subatomic particle 19814
      composite particle 19814
        hadron 19814
          baryon 19814
            nucleon 19814
              atomic nucleus 19814
                atom 19814
                  main group element atom 19702
                    p-block element atom 19702
                      carbon group element atom 19608
                        carbon atom 19597
                          organic molecular entity 19597
                            heteroorganic entity 19184
                              organochalcogen compound 18894
                                organooxygen compound 18816
                                  carbohydrates and carbohydrate derivatives 12191
                                    carbohydrate 12191
                                      monosaccharide 4035
                                        aldose 2548
                                          aldohexose 2192
                                            D-aldohexose 2186
                                              D-galactose 166
                                                D-galactopyranose 166
                                                  3,4-O-[(1S)-1-carboxyethylidene]-beta-D-galactose 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.