Ethyl 6-chloro-2-(difluoromethyl)-4-fluoropyridine-3-acetate
Methyl 6-bromo-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-acetate
4-Chloro-2-(difluoromethyl)-5-fluoropyridine-3-carbonyl chloride
4-Chloro-3-(difluoromethyl)-2-nitropyridine-6-acetonitrile