2,4,5,6(1H,3H)-PYRIMIDINETETRONE MONOHYDRATE 2,4,5,6(1H,3H)-Pyrimidinetetrone hydrate 2,4,5,6(1H,3H)-Pyrimidinetetrone, monohydrate 2,4,5,6-Tetraoxohexahydropyrimidine hydrate 2244-11-3