2-(Difluoromethyl)-4-fluoropyridine-6-sulfonamide
2-(Difluoromethyl)-3-fluoropyridine-5-sulfonamide
3-(Difluoromethyl)-6-fluoropyridine-2-sulfonyl chloride
3,4-Dichloro-2-(difluoromethyl)-6-fluoropyridine
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