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
Methyl 3-(chloromethyl)-5-hydroxy-6-(trifluoromethoxy)pyridine-2-carboxylate