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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:8107 term browser browse the term
Definition:A imidazolidine-2,4-dione that consists of hydantoin bearing two phenyl substituents at position 5.
Synonyms:related_synonym: 5,5-Diphenyl-imidazolidine-2,4-dione;   5,5-diphenylimidazolidine-2,4-dione;   5,5-diphenyltetrahydro-1H-2,4-imidazoledione;   DILANTIN;   Formula=C15H12N2O2;   InChI=1S/C15H12N2O2/c18-13-15(17-14(19)16-13,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10H,(H2,16,17,18,19);   InChIKey=CXOFVDLJLONNDW-UHFFFAOYSA-N;   PHENTYTOIN;   SMILES=O=C1NC(=O)C(N1)(c1ccccc1)c1ccccc1;   fenitoina;   phenytoine;   phenytoinum
 alt_id: CHEBI:100921
 xref: Beilstein:384532;   CAS:57-41-0;   DrugBank:DB00252;   Drug_Central:2152;   HMDB:HMDB0014397;   KEGG:C07443;   KEGG:D00512;   LINCS:LSM-5663
 xref_mesh: MESH:D010672
 xref: PMID:10698828;   PMID:12952753;   PMID:15246836;   PMID:15744730;   PMID:16303054;   PMID:7105825;   PMID:7602118;   PMID:9186244;   Patent:WO2012174723;   Reaxys:384532;   Wikipedia:Phenytoin

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  CHEBI ontology 902
    role 861
      biological role 861
        aetiopathogenetic role 458
          teratogenic agent 176
            phenytoin 0
Path 2
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  CHEBI ontology 902
    subatomic particle 887
      composite particle 887
        hadron 887
          baryon 887
            nucleon 887
              atomic nucleus 887
                atom 887
                  main group element atom 856
                    p-block element atom 853
                      carbon group element atom 829
                        carbon atom 828
                          organic molecular entity 828
                            organic molecule 742
                              organic cyclic compound 652
                                organic heterocyclic compound 364
                                  organic heteromonocyclic compound 189
                                    diazolidine 1
                                      imidazolidines 1
                                        imidazolidinone 1
                                          imidazolidine-2,4-dione 1
                                            hydantoin 0
                                              phenytoin 0
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