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