2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-(3,4-dichlorophenyl)-5-ethyl- 23256-01-1 5-(3,4-Dichlorophenyl)-5-ethylbarbituric acid 5-24-09-00309 (Beilstein Handbook Reference) BARBITURIC ACID, 5-(3,4-DICHLOROPHENYL)-5-ETHYL- BRN 0689106 Dichlorophenobarbital