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