4-Chloro-2-(fluoromethyl)-3-nitro-6-(trifluoromethoxy)pyridine
Methyl 2-(difluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 6-amino-4-(difluoromethyl)-2-methoxypyridine-3-carboxylate
3-Fluoro-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride