2-piperidin-1-yl-2-pyridin-4-ylacetonitrile

4-hydroxy-4-pyridin-4-ylbutan-2-one

6-Amino-3-methyl-4-(4-pyridinyl)-2,4-dihydropyrano[2,3-c]pyrazole -5-carbonitrile

2-cyano-3-pyridin-4-ylprop-2-enethioamide

1-[phenyl(pyridin-4-yl)methyl]piperazine