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