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