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