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