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

4-methyl-2-[(4-methylphenyl)amino]pyrimidine-5-carboxylic acid

6-isopropyl-2-methyl-5-oxo-5,6-dihydro-1,6-naphthyridine-3-carboxylic acid

ethyl 2-(benzylamino)-4-methylpyrimidine-5-carboxylate

4-(4-chlorophenyl)-1,4-dihydro[1,3,5]triazino[1,2-a]benzimidazol-2-amine

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

1-{2-(benzylthio)-7-[(E)-2-(dimethylamino)vinyl][1,2,4]triazolo[1,5-a]pyrimidin-6-yl}ethanone

5-[2-(2-thienyl)ethyl]-1,4,5,6-tetrahydro-1,3,5-triazine-2-thiol

1-{2-[(3-chlorobenzyl)thio]-5,7-dimethyl[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}ethanone

4-(2-chloro-5-nitrophenyl)-1,4-dihydro[1,3,5]triazino[1,2-a]benzimidazol-2-amine

6-(2-furyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid