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

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

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

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

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

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

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

ethyl 4-methyl-2-(4-phenylpiperazin-1-yl)pyrimidine-5-carboxylate

6-amino-2-[(4-methoxyphenyl)amino]pyrimidin-4(3H)-one

6-amino-2-[(tetrahydrofuran-2-ylmethyl)amino]pyrimidin-4(3H)-one

2-[1-(chloroacetyl)-3-oxopiperazin-2-yl]-N-(4-methylphenyl)acetamide