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