4-(Bromomethyl)-2-(difluoromethyl)-3-(trifluoromethyl)pyridine
5-Cyano-3-(difluoromethyl)pyridine-2-sulfonyl chloride
4-(Chloromethyl)-2-(difluoromethyl)-6-iodopyridine
5-(Chloromethyl)-4-(difluoromethyl)-2-iodopyridine
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