Methyl 3-bromo-4-iodo-2-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 6-bromo-4-nitro-3-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 2-bromo-6-iodo-3-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 2-bromo-3-nitro-4-(trifluoromethoxy)pyridine-5-carboxylate