Methyl 3-chloro-2-cyano-4-(trifluoromethoxy)pyridine-5-carboxylate
5-Bromo-4-(fluoromethyl)-3-iodo-2-(trifluoromethoxy)pyridine
Methyl 3-bromo-5-nitro-4-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 2-chloro-6-cyano-3-(trifluoromethoxy)pyridine-4-carboxylate