2-Bromo-3-(difluoromethyl)-5-iodopyridine-4-carbonyl chloride
6-Bromo-4-(difluoromethyl)-2-iodopyridine-3-sulfonamide
5-Bromo-3-(difluoromethyl)-2-iodopyridine-4-sulfonyl chloride
3-Bromo-5-(difluoromethyl)-6-nitropyridine-2-carbonyl chloride
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