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