3-Bromo-6-(difluoromethyl)-2-fluoropyridine-4-carboxaldehyde
4-Bromo-5-(difluoromethyl)-2-fluoropyridine-3-carboxaldehyde
4-Bromo-6-cyano-2-(difluoromethyl)-3-methoxypyridine
5-Bromo-4-cyano-2-(difluoromethyl)-3-methoxypyridine
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