3-Methyl-2-(3-thienyl)pyridine

4-Methyl-[2,2']bipyridinyl

5-(5-Methyl-pyridin-2-yl)-pyrimidine

3-(5-Bromo-pyridin-2-yl)-quinoline

Ethyl 2-cyanobenzoylformate

Ethyl 8-cyano-2-oxooxtanoate

Ethyl 2-methylbenzoylformate

Ethyl 4-bromo-3-fluorobenzoylformate

Ethyl 2-chloro-6-methylbenzoylformate

Ethyl 3,5-dimethoxybenzoylformate

Ethyl 2-ethylbenzoylformate