Ethyl 4-bromo-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetate
Ethyl 4-bromo-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetate
Ethyl 4-bromo-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetate
Ethyl 4-bromo-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetate