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

ethyl 4-methyl-2-piperidin-1-ylpyrimidine-5-carboxylate

7-aminopyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one

ethyl 2-(3,4-dihydroisoquinolin-2(1H)-yl)-4-methylpyrimidine-5-carboxylate

7-(2-mercaptoethyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one

N-(2-chloroethyl)-1H-benzimidazol-2-amine hydrochloride

4-(5-chloro-2-fluorophenyl)-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-[7-[(E)-2-(dimethylamino)vinyl]-2-(methylthio)[1,2,4]triazolo[1,5-a]pyrimidin-6-yl]ethanone

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

5-(4-methoxybenzyl)-1,4,5,6-tetrahydro-1,3,5-triazine-2-thiol