Ethyl 6-amino-3-fluoro-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 2-amino-5-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylate
3-Amino-5-hydroxy-6-nitro-2-(trifluoromethoxy)pyridine
Ethyl 2-amino-4-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylate