Ethyl 4-amino-2-bromo-6-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 3-amino-5-fluoro-2-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 3-amino-4-fluoro-6-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 4-amino-2-bromo-3-(trifluoromethoxy)pyridine-6-carboxylate