Methyl 4-bromo-3-(difluoromethyl)-6-fluoropyridine-2-carboxylate
4-Bromo-3-(chloromethyl)-2-(difluoromethyl)-6-iodopyridine
3-Bromo-4-(difluoromethyl)-5-iodopyridine-2-sulfonyl chloride
4-Bromo-6-(chloromethyl)-2-(difluoromethyl)-3-iodopyridine
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