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