2-Bromo-3-(difluoromethyl)-4-nitropyridine-6-sulfonamide
3-Bromo-6-(difluoromethyl)-2-nitropyridine-4-sulfonyl chloride
3-Bromo-5-(difluoromethyl)-2-methoxypyridine-4-carboxylic acid
3-Bromo-4-(difluoromethyl)-6-methoxypyridine-2-carboxylic acid
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