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