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