4-Cyano-2-(difluoromethyl)pyridine-6-sulfonyl chloride
5-(Difluoromethyl)-2-iodo-3-nitropyridine
4-(Difluoromethyl)-3-iodo-2-nitropyridine
3-(Difluoromethyl)-6-methoxypyridine-2-acetonitrile
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