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