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