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