6-(Difluoromethyl)-3-iodopyridine-2-sulfonyl chloride
2-(Difluoromethyl)-4-iodopyridine-6-sulfonyl chloride
2-(Chloromethyl)-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride
5-(Aminomethyl)-2-cyano-4-(difluoromethyl)pyridine
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