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