Ethyl 5-amino-4-(chloromethyl)-3-(trifluoromethoxy)pyridine-2-acetate
Ethyl 3-amino-4-(chloromethyl)-5-(trifluoromethoxy)pyridine-2-acetate
Ethyl 3-amino-4-(chloromethyl)-2-(trifluoromethoxy)pyridine-6-acetate
Ethyl 3-amino-4-(chloromethyl)-2-(trifluoromethoxy)pyridine-5-acetate