2-(Chloromethyl)-3-(difluoromethyl)pyridine-5-sulfonamide
5-(Chloromethyl)-2-(difluoromethyl)pyridine-4-sulfonyl chloride
2-(Difluoromethyl)-6-iodo-3-methoxypyridine
2-(Difluoromethyl)-4-iodopyridine-5-methanol
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