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