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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:51706 term browser browse the term
Definition:An inorganic anion that is a polyboron cluster made up from twelve boron atoms with a net charge of -2.
Synonyms:related_synonym: Formula=B12;   InChI=1S/B12/c1-2-3(1)5(1)6(1)4(1,2)8(2)7(2,3)9(3,5)11(5,6)10(4,6,8)12(7,8,9)11/q-2;   InChIKey=YLCRMYZWTMTCKR-UHFFFAOYSA-N;   SMILES=[B]1234[B]567[B]118[B]229[B]33%10[B]454[B]656[B]711[B]557[B]23([B-]8915)[B-]%10467;   [B12](2-)

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 932
    chemical entity 932
      molecular entity 930
        elemental molecular entity 143
          elemental boron 0
            dodecaboride(2-) 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 932
    subatomic particle 917
      composite particle 917
        hadron 917
          baryon 917
            nucleon 917
              atomic nucleus 917
                atom 917
                  main group element atom 866
                    p-block element atom 863
                      boron group element atom 8
                        boron atom 1
                          boron molecular entity 1
                            elemental boron 0
                              dodecaboride(2-) 0
paths to the root