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