6,6-dimethyl-2-phenyl-1,5,6,7-tetrahydro-4H-benzimidazol-4-one

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

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

N-(6-methyl-4-oxo-1,4-dihydropyrimidin-2-yl)indoline-1-carboximidamide

2-anilino-5,6-dimethylpyrimidin-4(3H)-one

5-ethyl-2-[(4-ethylphenyl)amino]-6-methylpyrimidin-4(3H)-one

methyl 6-oxohexahydropyridazine-4-carboxylate

(4-oxo-1,4-dihydropyrimido[1,2-a]benzimidazol-2-yl)acetic acid

methyl (5-oxo-4,5,6,7-tetrahydro[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)acetate

3-methyl-3,4-dihydro-1H-1,4-benzodiazepine-2,5-dione

ethyl 7-[(E)-2-(dimethylamino)vinyl]-5-methyl[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate