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