Methyl 4-bromo-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylate
2-Chloro-5-(fluoromethyl)-3-nitro-6-(trifluoromethoxy)pyridine
Methyl 5-chloro-2-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylate
2-Chloro-4-(fluoromethyl)-3-nitro-6-(trifluoromethoxy)pyridine