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