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