Methyl 3-bromo-6-(fluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 3-bromo-2-(chloromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 5-bromo-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 3-bromo-2-(chloromethyl)-4-(trifluoromethoxy)pyridine-6-carboxylate