3-Bromo-4-(difluoromethyl)-2-fluoropyridine-5-carboxylic acid
3-Bromo-2-(difluoromethyl)-6-fluoropyridine-4-carboxylic acid
3-Bromo-2-(difluoromethyl)-5-fluoropyridine-4-carboxylic acid
3-Bromo-2-(difluoromethyl)-6-iodo-5-nitropyridine
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