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