Ethyl 4-fluoro-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 3-(bromomethyl)-5-cyano-6-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-(bromomethyl)-4-cyano-6-(trifluoromethoxy)pyridine-2-carboxylate
3-(Bromomethyl)-4-cyano-6-(trifluoromethoxy)pyridine-2-acetic acid