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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 240
    role 240
      biological role 240
        aetiopathogenetic role 144
          teratogenic agent 43
            phenytoin 0
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  CHEBI ontology 240
    subatomic particle 240
      composite particle 240
        hadron 240
          baryon 240
            nucleon 240
              atomic nucleus 240
                atom 240
                  main group element atom 233
                    p-block element atom 233
                      carbon group element atom 222
                        carbon atom 221
                          organic molecular entity 221
                            organic molecule 215
                              organic cyclic compound 199
                                organic heterocyclic compound 159
                                  organic heteromonocyclic compound 94
                                    diazolidine 3
                                      imidazolidines 3
                                        imidazolidinone 3
                                          imidazolidine-2,4-dione 3
                                            hydantoin 0
                                              phenytoin 0
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