Methyl 5-bromo-4-(chloromethyl)-2-(difluoromethyl)pyridine-3-acetate
2-Bromo-3-(difluoromethyl)-4-nitropyridine-5-carbonyl chloride
Methyl 5-bromo-4-(chloromethyl)-3-(difluoromethyl)pyridine-2-acetate
Ethyl 3-bromo-6-(difluoromethyl)-2-nitropyridine-5-acetate