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