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