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