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