N-(4-ethylphenyl)-N'-(6-methyl-4-oxo-1,4-dihydropyrimidin-2-yl)guanidine

N-[(2Z)-6-methyl-4-oxo-3,4-dihydropyrimidin-2(1H)-ylidene]-3,4-dihydroquinoline-1(2H)-carboximidamide

2-[(2,3-dimethylphenyl)amino]-5,6-dimethylpyrimidin-4(3H)-one

2-anilino-5-benzyl-6-methylpyrimidin-4(3H)-one

5-methyl-4-(2-phenylethyl)-2,4-dihydro-3H-pyrazol-3-one

2-hydroxy-3-phenyl-4H-pyrimido[1,2-a]pyrimidin-4-one

2,3-dimethylpyrimido[1,2-a]benzimidazol-4(1H)-one

methyl (5-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidin-6-yl)acetate

7,12-dihydroisoquino[3,2-c][1,4]benzodiazepine-6,14(5H,6aH)-dione

N-(3-chlorophenyl)-N'-(2-hydroxy-1,1-dimethylethyl)urea

6-amino-2-(4-methylpiperidin-1-yl)pyrimidin-4(3H)-one