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