1-(2-Bromo-2-ethylbutyryl)-5-ethyl-5-phenylbarbituric acid 1-Bromodiethylacetylphenobarbital 4-24-00-02089 (Beilstein Handbook Reference) 66942-12-9 BARBITURIC ACID, 1-(2-BROMO-2-ETHYLBUTYRYL)-5-ETHYL-5-PHENYL- BRN 0340044