allantoxanamide

4,6-Dioxo-1,4,5,6-tetrahydro-1,3,5-triazine-2-carboxaMide

1,4,5,6-Tetrahydro-4,6-dioxo-1,3,5-triazine-2-carboxamide

1,3,5-Triazine-2-carboxaMide, 1,6-dihydro-4-hydroxy-6-oxo-