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