1146-09-4 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-(4-(dimethylamino)-2-butynyl)-5-ethyl- 5-(4-(Dimethylamino)-2-butynyl)-5-ethylbarbituric acid 5-25-16-00119 (Beilstein Handbook Reference) 5-Ethyl-5-(4-dimethylamino-2-butynyl)barbituric acid BARBITURIC ACID, 5-(4-(DIMETHYLAMINO)-2-BUTYNYL)-5-ETHYL- BRN 0922038