39847-06-8 4,6(1H,5H)-Pyrimidinedione, 5-ethyldihydro-5-(1-methylethyl)-2-thioxo- (9CI) 4-24-00-01936 (Beilstein Handbook Reference) 5-Ethyl-5-isopropyl-2-thiobarbituric acid BARBITURIC ACID, 5-ETHYL-5-ISOPROPYL-2-THIO- BRN 0167324 NSC 120738