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