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