2-(Difluoromethyl)-3-iodopyridine-5-methanol
4-(Chloromethyl)-3-(difluoromethyl)pyridine-5-sulfonyl chloride
5-(Difluoromethyl)-2-iodopyridine-4-acetonitrile
4-(Chloromethyl)-2-(difluoromethyl)pyridine-5-sulfonyl chloride
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