3-Bromo-2-(chloromethyl)-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine
3-Chloro-6-(fluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine
3-Chloro-2-hydroxy-6-methoxy-4-(trifluoromethoxy)pyridine
4-Chloro-3-nitro-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride