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