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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:cyclobutane-1,1-dicarboxylic acid
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Accession:CHEBI:35691 term browser browse the term
Definition:A cyclobutanedicarboxylic acid that has formula C6H8O4.
Synonyms:related_synonym: 1,1-cyclobutanedicarboxylic acid;   Formula=C6H8O4;   H2cbdca;   InChI=1S/C6H8O4/c7-4(8)6(5(9)10)2-1-3-6/h1-3H2,(H,7,8)(H,9,10);   InChIKey=CCQPAEQGAVNNIA-UHFFFAOYSA-N;   SMILES=OC(=O)C1(CCC1)C(O)=O
 xref: Beilstein:2046031;   CAS:5445-51-2;   Gmelin:82590
 cyclic_relationship: is_conjugate_acid_of CHEBI:35694

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  CHEBI ontology 19770
    chemical entity 19770
      molecular entity 19768
        polyatomic entity 19686
          molecule 19534
            cyclic compound 19367
              homocyclic compound 18302
                carbocyclic compound 18302
                  cyclobutanes 119
                    cyclobutanedicarboxylic acid 0
                      cyclobutane-1,1-dicarboxylic acid 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19770
    subatomic particle 19768
      composite particle 19768
        hadron 19768
          baryon 19768
            nucleon 19768
              atomic nucleus 19768
                atom 19768
                  main group element atom 19662
                    p-block element atom 19662
                      carbon group element atom 19580
                        carbon atom 19571
                          organic molecular entity 19571
                            organic group 18602
                              organic divalent group 18593
                                organodiyl group 18593
                                  carbonyl group 18506
                                    carbonyl compound 18506
                                      dicarboxylic acids and O-substituted derivatives 10288
                                        dicarboxylic acid 10279
                                          cyclobutanedicarboxylic acid 0
                                            cyclobutane-1,1-dicarboxylic acid 0
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