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