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