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