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