6-amino-2-piperidin-1-ylpyrimidin-4(3H)-one

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

methyl 7-hydroxy-2,5-dimethylpyrazolo[1,5-a]pyrimidine-3-carboxylate

1-(7-hydroxy[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)ethanone

2-[3-(2-phenylethyl)-3,4-dihydro[1,3,5]triazino[1,2-a]benzimidazol-1(2H)-yl]ethanol

1-[7-[(E)-2-(dimethylamino)vinyl]-2-(methoxymethyl)[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

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

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