1,3,5-Trimethyl-2,4,6(1H,3H,5H)-pyrimidinetrione 1,3,5-Trimethylbarbituric acid 2,4,6(1H,3H,5H)-Pyrimidinetrione, 1,3,5-trimethyl- (9CI) 5-24-09-00117 (Beilstein Handbook Reference) 7358-61-4 BRN 0149485 Barbituric acid, 1,3,5-trimethyl- EINECS 230-892-9 NSC 120716