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

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

6-amino-2-anilinopyrimidin-4(3H)-one

6-amino-2-(benzylamino)pyrimidin-4(3H)-one

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

1-phenyl-3-(2-phenylhydrazino)pyrrolidine-2,5-dione

4-(3,4-dimethoxyphenyl)-1H-pyrazol-5-amine

N-[amino(imino)methyl]-5-phenyl-4,5-dihydro-1H-pyrazole-1-carboximidamide