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