4-24-00-01907 (Beilstein Handbook Reference) 66940-83-8 BARBITURIC ACID, 5,5-DIETHYL-1-(1,2-DIMETHYLPROPYL)-, d,l- BRN 0235040 d,l-5,5-Diethyl-1-(1,2-dimethylpropyl)barbituric acid