3-Bromo-6-(difluoromethyl)-4-methylpyridine-2-carboxaldehyde
2-Bromo-3-(chloromethyl)-6-(difluoromethyl)-4-nitropyridine
2-Bromo-3-(chloromethyl)-5-(difluoromethyl)-4-nitropyridine
5-Bromo-2-(difluoromethyl)-3-methylpyridine-6-carboxaldehyde
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