Ethyl 5-bromo-2-cyano-3-(difluoromethyl)pyridine-4-carboxylate
6-Bromo-2-(difluoromethyl)-4-fluoropyridine-3-carboxaldehyde
Ethyl 4-bromo-3-cyano-6-(difluoromethyl)pyridine-2-carboxylate
2-Bromo-5-cyano-6-(difluoromethyl)-3-methylpyridine
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