4-Bromo-2-(difluoromethyl)-5-hydroxy-3-iodopyridine
4-Bromo-2-(difluoromethyl)-3-hydroxy-6-iodopyridine
4-Bromo-2-(difluoromethyl)-5-hydroxy-3-methoxypyridine
4-Bromo-2-(difluoromethyl)-3-hydroxy-5-methoxypyridine
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