Ethyl 2-bromo-5-cyano-3-(difluoromethyl)pyridine-6-carboxylate
2-Bromo-4-(difluoromethyl)-6-iodo-3-nitropyridine
Ethyl 4-bromo-3-chloro-6-(difluoromethyl)pyridine-2-acetate
Ethyl 4-bromo-3-chloro-5-(difluoromethyl)pyridine-2-acetate
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