117491-80-2 118738-52-6 1194-23-6 154254-45-2 158217-19-7 160336-60-7 16564-27-5 2,4,6(1H,3H,5H)-Pyrimidinetrione 2,4,6-Pyrimidinetriol 2,4,6-Pyrimidinetrione 2,4,6-Trihydroxypyrimidine 2,4,6-Trioxohexahydropyrimidine 20964-57-2 223674-02-0 32267-40-6 42910-84-9 4390-16-3 51159-18-3 53853-41-1 6-Hydroxyuracil 63896-95-7 67-52-7 AI3-02724 BARBITURIC ACID Barbituric acid (VAN) (8CI) EINECS 200-658-0 Hydrouracil, 6-hydroxy- Malonylurea NSC 7889 Pyrimidinetriol Pyrimidinetrione Urea, N,N'-(1,3-dioxo-1,3-propanediyl)-