2-Cyano-4-(difluoromethyl)pyridine-6-sulfonamide
3-Chloro-6-(difluoromethyl)pyridine-2-sulfonamide
6-(Chloromethyl)-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-sulfonamide
4-Chloro-5-(difluoromethyl)pyridine-2-sulfonamide
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