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