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