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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:33486 term browser browse the term
Definition:A sulfur oxoanion that has formula HO6S2.
Synonyms:exact_synonym: hydrogen dithionate
 related_synonym: Formula=HO6S2;   HS2O6(-);   InChI=1S/H2O6S2/c1-7(2,3)8(4,5)6/h(H,1,2,3)(H,4,5,6)/p-1;   InChIKey=RMGVZKRVHHSUIM-UHFFFAOYSA-M;   SMILES=[H]OS(=O)(=O)S([O-])(=O)=O
 cyclic_relationship: is_conjugate_acid_of CHEBI:29209;   is_conjugate_base_of CHEBI:29208

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Path 1
Term Annotations click to browse term
  CHEBI ontology 909
    chemical entity 909
      atom 894
        nonmetal atom 853
          sulfur atom 229
            sulfur molecular entity 229
              sulfur oxoanion 1
                dithionate(1-) 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 909
    subatomic particle 894
      composite particle 894
        hadron 894
          baryon 894
            nucleon 894
              atomic nucleus 894
                atom 894
                  main group element atom 863
                    p-block element atom 860
                      chalcogen 823
                        oxygen atom 768
                          oxygen molecular entity 768
                            oxide 72
                              oxoanion 40
                                chalcogen oxoanion 1
                                  sulfur oxoanion 1
                                    dithionate(1-) 0
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