2,4,6(1H,3H,5H)-Pyrimidinetrione 2,4,6-(1H,3H,5H)-Pyrimidinetrione 2,4,6-Pyrimidinetriol 2,4,6-Trihydroxypyrimidine 2,4,6-Trioxohexahydropyrimidine 6-Hydroxyuracil 67-52-7 BARBITURIC ACID Malonylurea NSC7889 Pyrimidinetrione Urea, N,N'-(1,3-dioxo-1,3-propanediyl)-