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