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