2-Chloro-6-cyano-5-(difluoromethyl)pyridine-3-carbonyl chloride
3-Bromo-2-(chloromethyl)-5-(difluoromethyl)-6-nitropyridine
2-Chloro-4-cyano-6-(difluoromethyl)pyridine-3-carbonyl chloride
Ethyl 5-bromo-2-(chloromethyl)-4-(difluoromethyl)pyridine-3-carboxylate