5-(Difluoromethyl)-4-iodo-3-nitropyridine-2-acetonitrile
5-Bromo-2-chloro-4-(difluoromethyl)-3-methoxypyridine
2-(Chloromethyl)-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-acetonitrile
2-Fluoro-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
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