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

[1-(4-fluorophenyl)-5-hydroxy-3-methyl-1H-pyrazol-4-yl]acetic acid

3-(5-methyl-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidin-6-yl)propanoic acid

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

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

1-(2-fluoro-4-methylphenyl)-1H-pyrrole-2,5-dione

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

5-benzyl-2-[(4-fluorophenyl)amino]-6-methylpyrimidin-4(3H)-one

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

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

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