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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:179632 term browser browse the term
Definition:An oxopurine that is adenine bearing two oxo substituents at positions 2 and 8.
Synonyms:exact_synonym: 6-amino-1H-purine-2,8(7H,9H)-dione
 related_synonym: 2,8-dioxyadenine;   Formula=C5H5N5O2;   InChI=1S/C5H5N5O2/c6-2-1-3(9-4(11)7-1)10-5(12)8-2/h(H5,6,7,8,9,10,11,12);   InChIKey=XFBOJHLYDJZYSP-UHFFFAOYSA-N;   SMILES=NC1=C2NC(=O)NC2=NC(=O)N1
 xref: CAS:30377-37-8;   Chemspider:83302;   PMID:1091029;   PMID:1251460;   PMID:14908868;   PMID:4643620;   PMID:4989592;   PMID:4993196;   PMID:878000;   PMID:878001;   PMID:878002
 cyclic_relationship: is_tautomer_of CHEBI:183641

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19908
    role 19883
      biological role 19881
        aetiopathogenetic role 19215
          nephrotoxic agent 11852
            2,8-dioxoadenine 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19908
    subatomic particle 19906
      composite particle 19906
        hadron 19906
          baryon 19906
            nucleon 19906
              atomic nucleus 19906
                atom 19906
                  main group element atom 19853
                    p-block element atom 19853
                      carbon group element atom 19799
                        carbon atom 19794
                          organic molecular entity 19794
                            organic molecule 19751
                              organic cyclic compound 19559
                                organic heterocyclic compound 18896
                                  organic heteropolycyclic compound 18317
                                    organic heterobicyclic compound 17269
                                      imidazopyrimidine 7685
                                        purines 7684
                                          aminopurine 6656
                                            6-aminopurines 898
                                              adenine 894
                                                2,8-dioxoadenine 0
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