2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbaldehyde 5-pyrimidinecarboxaldehyde, 1,2,3,4-tetrahydro-2,4-dioxo- InChI=1/C5H4N2O3/c8-2-3-1-6-5(10)7-4(3)9/h1-2H,(H2,6,7,9,10