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