Ethyl 2-(bromomethyl)-3-cyano-4-(trifluoromethoxy)pyridine-6-carboxylate
5-Fluoro-2-iodo-4-methyl-3-(trifluoromethoxy)pyridine
Methyl 4-chloro-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 3-chloro-5-(fluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxylate