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