Ethyl 5-bromo-2-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 4-bromo-5-fluoro-2-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 5-bromo-3-fluoro-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 3-bromo-2-fluoro-6-(trifluoromethoxy)pyridine-5-carboxylate