1-(2,5-Dimethoxy-beta-phenylethyl)-5,5-diethylbarbituric acid 4-24-00-01915 (Beilstein Handbook Reference) 5,5-Diethyl-1-(2,5-dimethoxyphenethyl)barbituric acid 66940-79-2 BARBITURIC ACID, 5,5-DIETHYL-1-(2,5-DIMETHOXYPHENETHYL)- BRN 0346214