Ethyl 6-(bromomethyl)-4-chloro-2-(trifluoromethoxy)pyridine-3-acetate
Ethyl 3-(aminomethyl)-6-chloro-2-(trifluoromethoxy)pyridine-4-acetate
Ethyl 4-chloro-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetate
Ethyl 4-chloro-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetate