2,3-Dibromo-5-(difluoromethyl)pyridine-4-sulfonamide
3-(Difluoromethyl)-2-(trifluoromethyl)pyridine-4-sulfonamide
3,5-Dibromo-4-(difluoromethyl)pyridine-2-sulfonyl chloride
2-(Difluoromethyl)-6-(trifluoromethyl)pyridine-3-sulfonamide
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