organic molecular entity Pentobarbital sodium C11H17N2O3.Na [Na+].CCCC(C)C1(CC)C(=O)NC([O-])=NC1=O QGMRQYFBGABWDR-UHFFFAOYSA-M CAS:57-33-0 248.11369 chebi_ontology InChI=1S/C11H18N2O3.Na/c1-4-6-7(3)11(5-2)8(14)12-10(16)13-9(11)15;/h7H,4-6H2,1-3H3,(H2,12,13,14,15,16);/q;+1/p-1 KEGG:C07423 CHEBI:7984 KEGG:D00500 Pentobarbital sodium 248.254 0