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