5-Amino-4-(difluoromethyl)-2-iodo-3-methoxypyridine
4-(Bromomethyl)-3-(difluoromethyl)-2-fluoro-6-iodopyridine
3,5-Bis(perfluorophenyl)-2-mercaptopyridine
3-Chloro-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-methanol
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