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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:30166 term browser browse the term
Definition:A monoatomic boron that has formula B.
Synonyms:related_synonym: B;   Boron anion;   Formula=B;   InChI=1S/B/q-1;   InChIKey=XGLYHUVZMIRFNT-UHFFFAOYSA-N;   SMILES=[B-]
 xref: CAS:18869-19-7;   Gmelin:14907

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 20072
    chemical entity 20071
      molecular entity 20071
        elemental molecular entity 16649
          monoatomic entity 15684
            monoatomic boron 0
              boride(1-) 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 20072
    subatomic particle 20071
      composite particle 20071
        hadron 20071
          baryon 20071
            nucleon 20071
              atomic nucleus 20071
                atom 20071
                  main group element atom 19971
                    p-block element atom 19971
                      p-block molecular entity 19971
                        boron group molecular entity 1031
                          boron molecular entity 879
                            elemental boron 18
                              monoatomic boron 0
                                boride(1-) 0
paths to the root