3-Bromo-6-(difluoromethyl)-4-iodopyridine-2-sulfonyl chloride
5-Bromo-2-(difluoromethyl)-3-iodopyridine-6-sulfonyl chloride
2-Bromo-3-(difluoromethyl)-6-methoxypyridine-4-carboxaldehyde
2-Bromo-3-(difluoromethyl)-5-methoxypyridine-4-carboxaldehyde
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