2-Bromo-3-nitro-4-(trifluoromethoxy)pyridine-5-sulfonyl chloride
Methyl 4-bromo-3-(chloromethyl)-5-(trifluoromethoxy)pyridine-2-carboxylate
5-Chloro-2-(difluoromethyl)-3-fluoro-6-(trifluoromethoxy)pyridine
Methyl 4-bromo-6-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate