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