5-Pyrimidinecarboxamide, hexahydro-2,4,6-trioxo-N-phenyl-

5-[(3,4-dimethoxyphenyl)methylidene]-1,3-diazinane-2,4,6-trione

5-[(2-hydroxyphenyl)methylidene]-1,3-diazinane-2,4,6-trione

1,5-Dihydro-5-<5'-pyrimidine-2',4',6'(1'H,3'H,5'H)-trionyl>-2H-chromeno<2,3-d>pyrimidine-2,4(1H,3H)-dione

5-(pyridin-2-ylmethylidene)-1,3-diazinane-2,4,6-trione