3-(5-Chloro-2-thienyl)pyridine

Ethyl 5-(2-Methyl-5-pyridyl)-2-furoate

5'-Bromo-5-methyl-[2,2']bipyridinyl

3-Methyl-[2,2']bipyridinyl

4-Pyridin-2-yl-isoquinoline

5,6'-Dimethyl-[2,3']bipyridinyl

5,2'-Dimethyl-[2,4']bipyridinyl

Ethyl 2-cyanobenzoylformate

Ethyl 2-carboethoxybenzoylformate

Ethyl 4-cyano-2-oxobutyrate

ethyl 8-chloro-2-oxooctanoate