3-Chloro-2-cyano-5-(difluoromethyl)pyridine-6-carbonyl chloride
3-Chloro-2-(difluoromethyl)-6-fluoropyridine-4-carboxaldehyde
3-Chloro-2-cyano-4-(difluoromethyl)pyridine-6-carbonyl chloride
6-Chloro-2-cyano-3-(difluoromethyl)pyridine-4-carbonyl chloride