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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/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:diphosphonic acid
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Accession:CHEBI:29205 term browser browse the term
Definition:An acyclic phosphorus acid anhydride that has formula H4O5P2.
Synonyms:exact_synonym: mu-oxido-bis(hydridohydroxidooxidophosphorus)
 related_synonym: Formula=H4O5P2;   H2P2H2O5;   InChI=1S/H4O5P2/c1-6(2)5-7(3)4/h6-7H,(H,1,2)(H,3,4);   InChIKey=XQRLCLUYWUNEEH-UHFFFAOYSA-N;   SMILES=[H]P(O)(=O)OP([H])(O)=O;   [(OH)P(H)(O)OP(H)(O)(OH)];   pyrophosphonic acid
 xref: CAS:36465-90-4;   Gmelin:82148
 cyclic_relationship: is_conjugate_acid_of CHEBI:33463


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Path 1
Term Annotations click to browse term
  CHEBI ontology 19811
    role 19818
      chemical role 19422
        donor 18873
          Bronsted acid 18783
            inorganic acid 15982
              pnictogen oxoacid 13221
                phosphorus oxoacid 12413
                  diphosphonic acid 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19811
    subatomic particle 19809
      composite particle 19809
        hadron 19840
          baryon 19809
            nucleon 19809
              atomic nucleus 19809
                atom 19809
                  main group element atom 19759
                    p-block element atom 19759
                      chalcogen 19515
                        oxygen atom 19520
                          oxygen molecular entity 19490
                            hydroxides 19300
                              oxoacid 18725
                                pnictogen oxoacid 13221
                                  phosphorus oxoacid 12413
                                    diphosphonic acid 0
paths to the root