2-(Difluoromethyl)-3-fluoropyridine-4-sulfonamide
3-(Difluoromethyl)-5-fluoropyridine-2-sulfonyl chloride
3,4-Difluoro-6-(difluoromethyl)-2-methylpyridine
4-(Difluoromethyl)-2-fluoropyridine-3-carbonyl chloride
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