Barbituric Acid-13C,15N2

2,4,6(1H,3H,5H)-Pyrimidinetrione-13C,15N2; 1,2,3,4,5,6-Hexahydro-2,4,6-pyrimidinetrione-13C,15N2; 2,4,6-Pyrimidinetriol-13C,15N2; 2,4,6-Pyrimidinetrione-13C,15N2; 2,4,6-Trihydroxypyrimidine-13C,15N2; 2,4,6-Trioxohexahydropyrimidine-13C,15N2; 6-Hydroxyuracil-13C,15N2; Hexahydropyrimidine-2,4,6-trione-13C,15N2; Malonylurea-13C,15N2; NSC 7889-13C,15N2;