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

Ethyl 3-acetoxybenzoylformate

Ethyl 4-acetoxybenzoylformate

Ethyl 4-cyano-3-fluorobenzoylformate

Ethyl 2,5-dichlorobenzoylformate

Ethyl 2,3-dimethylbenzoylformate

Ethyl 5-(1,3-dioxan-2-yl)-2-methoxybenzoylformate

Ethyl 3-fluoro-4-phenylbenzoylformate