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