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