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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:33123 term browser browse the term
Definition:A homomonocyclic compound that has formula B4H4.
Synonyms:exact_synonym: tetraboretane
 related_synonym: Formula=B4H4;   InChI=1S/B4H4/c1-2-4-3-1/h1-4H;   InChIKey=HQGQIHKCIFSJKV-UHFFFAOYSA-N;   SMILES=[H]B1B([H])B([H])B1[H];   cyclotetraborane(4)
 xref: Gmelin:485614

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19900
    chemical entity 19898
      molecular entity 19898
        inorganic molecular entity 19691
          inorganic hydride 18124
            boron hydride 0
              boranes 0
                cyclotetraborane 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19900
    subatomic particle 19898
      composite particle 19898
        hadron 19898
          baryon 19898
            nucleon 19898
              atomic nucleus 19898
                atom 19898
                  main group element atom 19845
                    main group molecular entity 19845
                      s-block molecular entity 19678
                        hydrogen molecular entity 19667
                          hydrides 19146
                            inorganic hydride 18124
                              boron hydride 0
                                polyboron hydride 0
                                  cyclotetraborane 0
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