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

(2E)-3-(dimethylamino)-1-(4-methylphenyl)prop-2-en-1-one

N'-(3-cyanopyrazolo[5,1-c][1,2,4]triazin-4-yl)-N,N-dimethylimidoformamide

4-[(E)-2-(dimethylamino)vinyl]-8-phenylpyrazolo[5,1-c][1,2,4]triazine-3-carbonitrile

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

7-amino-2-methylpyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one

7-amino-5-methylpyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one

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

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

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

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