2,4,5,6(1H,3H)-Pyrimidinetetrone hydrate 2,4,5,6(1H,3H)-Pyrimidinetetrone, monohydrate 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5,5-dihydroxy- (9CI) 3237-50-1 5,5-Dihydroxy-2,4,6(1H,3H,5H)-pyrimidinetrione 5,5-Dihydroxyperhydropyrimidinetrione 5-24-09-00382 (Beilstein Handbook Reference) 73416-45-2 ALLOXAN MONOHYDRATE Alloxan hydrate BRN 0155548 Barbituric acid, 5,5-dihydroxy- CCRIS 5957 EINECS 221-796-8 NSC 221304