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