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