6-Bromo-4-(difluoromethyl)-3-nitropyridine-2-acetonitrile
3-Bromo-6-(difluoromethyl)-2-nitropyridine-5-carbonyl chloride
2-Bromo-4-(difluoromethyl)-3-nitropyridine-6-acetonitrile
2-Bromo-3-(difluoromethyl)-6-nitropyridine-5-acetonitrile
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