3-Bromo-6-(difluoromethyl)-2-iodopyridine-5-carboxylic acid
5-Bromo-2-(difluoromethyl)-4-iodopyridine-3-carboxylic acid
4-Bromo-6-(difluoromethyl)-2-iodo-3-nitropyridine
5-Bromo-2-(difluoromethyl)-3-iodopyridine-4-carboxylic acid
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