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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:8069 term browser browse the term
Definition:A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and phenyl groups.
Synonyms:related_synonym: 5-Ethyl-5-phenyl-pyrimidine-2,4,6-trione;   5-Ethyl-5-phenylbarbituric acid;   5-Phenyl-5-ethylbarbituric acid;   5-ethyl-5-phenyl-2,4,6(1H,3H,5H)-pyrimidinetrione;   5-ethyl-5-phenylpyrimidine-2,4,6(1H,3H,5H)-trione;   Formula=C12H12N2O3;   InChI=1S/C12H12N2O3/c1-2-12(8-6-4-3-5-7-8)9(15)13-11(17)14-10(12)16/h3-7H,2H2,1H3,(H2,13,14,15,16,17);   InChIKey=DDBREPKUVSBGFI-UHFFFAOYSA-N;   Luminal;   PHENYLETHYLMALONYLUREA;   Phenobarbitol;   Phenobarbitone;   Phenobarbituric Acid;   Phenylaethylbarbitursaeure;   Phenylethylbarbiturate;   Phenylethylbarbituric Acid;   Phenylethylbarbitursaeure;   SMILES=CCC1(C(=O)NC(=O)NC1=O)c1ccccc1
 alt_id: CHEBI:102217
 xref: Beilstein:233363;   CAS:50-06-6;   DrugBank:DB01174;   Drug_Central:2134;   Gmelin:336231;   HMDB:HMDB0015305;   KEGG:C07434;   KEGG:D00506
 xref_mesh: MESH:D010634
 xref: PMID:10866370;   PMID:10891117;   PMID:11311072;   PMID:12361404;   PMID:12873507;   PMID:1495012;   PMID:15324906;   PMID:15857133;   PMID:16139502;   PMID:16190747;   PMID:16789751;   PMID:16793262;   PMID:1681105;   PMID:17300161;   PMID:17481896;   PMID:17827020;   PMID:17870541;   PMID:1875341;   PMID:1992141;   PMID:2061925;   PMID:2170646;   PMID:2296016;   PMID:2308141;   PMID:2308142;   PMID:2579237;   PMID:2724304;   PMID:3016269;   PMID:3336019;   PMID:3572984;   PMID:3599019;   PMID:3654008;   PMID:3735320;   PMID:3783589;   PMID:3783590;   PMID:3820228;   PMID:3950916;   PMID:3950919;   PMID:4032429;   PMID:6716399;   PMID:6737420;   PMID:6864729;   PMID:7205879;   PMID:7381857;   PMID:7562939;   PMID:7799408;   PMID:8035421;   PMID:8230125;   PMID:8246220;   PMID:8627613;   PMID:8691481;   PMID:9016327;   PMID:9544213;   Patent:US1025872;   Reaxys:233363;   Wikipedia:Phenobarbital

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      CHEBI ontology 19821
        role 19769
          biological role 19769
            pharmacological role 18847
              antagonist 16277
                excitatory amino acid antagonist 10143
                  phenobarbital 4308
                    phenobarbital sodium 0
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      CHEBI ontology 19821
        subatomic particle 19819
          composite particle 19819
            hadron 19819
              baryon 19819
                nucleon 19819
                  atomic nucleus 19819
                    atom 19819
                      main group element atom 19716
                        p-block element atom 19716
                          carbon group element atom 19640
                            carbon atom 19630
                              organic molecular entity 19630
                                organic molecule 19569
                                  organic cyclic compound 19360
                                    organic heterocyclic compound 18591
                                      organic heteromonocyclic compound 17084
                                        diazines 12328
                                          pyrimidines 12157
                                            pyrimidone 8856
                                              barbiturates 4392
                                                phenobarbital 4308
                                                  phenobarbital sodium 0
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