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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 400
    chemical entity 400
      atom 400
        nonmetal atom 393
          sulfur atom 191
            sulfur molecular entity 191
              sulfur oxoanion 1
                dithionate(1-) 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 400
    subatomic particle 400
      composite particle 400
        hadron 400
          baryon 400
            nucleon 400
              atomic nucleus 400
                atom 400
                  main group element atom 393
                    p-block element atom 393
                      chalcogen 349
                        oxygen atom 347
                          oxygen molecular entity 347
                            oxide 16
                              oxoanion 7
                                chalcogen oxoanion 1
                                  sulfur oxoanion 1
                                    dithionate(1-) 0
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