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