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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:32993 term browser browse the term
Definition:An uranium cation that has formula U.
Synonyms:exact_synonym: uranium(2+) ion;   uranium(II) cation
 related_synonym: Formula=U;   InChI=1S/U/q+2;   InChIKey=APTCBRLTBRHWIW-UHFFFAOYSA-N;   SMILES=[U++];   U(2+)
 xref: Gmelin:203187

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Path 1
Term Annotations click to browse term
  CHEBI ontology 0
    chemical entity 0
      molecular entity 0
        ion 0
          cation 0
            monoatomic cation 0
              monoatomic dication 0
                uranium(2+) 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 0
    subatomic particle 0
      composite particle 0
        hadron 0
          baryon 0
            nucleon 0
              atomic nucleus 0
                atom 0
                  metal atom 0
                    transition element atom 0
                      transition element molecular entity 0
                        f-block molecular entity 0
                          actinoid molecular entity 0
                            uranium molecular entity 0
                              elemental uranium 0
                                monoatomic uranium 0
                                  uranium cation 0
                                    uranium(2+) 0
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