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