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