3-Chloro-2-cyano-5-iodo-4-(trifluoromethoxy)pyridine
2-Chloro-4-fluoro-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-Bromo-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Chloro-3-fluoro-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride