Phenobarbital
5-Ethyl-5-phenyl-1,3-diazinane-2,4,6-trione
 3991  C12H12N2O3  232.235
 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)
 DDBREPKUVSBGFI-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 CCC1(C(=O)NC(=O)NC1=O)c1ccccc1