2,4,5,6-Pyrimidinetetrol 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-hydroxy- 42608-53-7 444-15-5 5-25-03-00270 (Beilstein Handbook Reference) 5-Hydroxy-2,4,6(1H,3H,5H)-pyrimidinetrione 5-Hydroxybarbituric acid BRN 0135130 Barbituric acid, 5-hydroxy- (8CI) Dialuric acid Dialuric acid (6CI,7CI) EINECS 207-145-0