5-Bromo-4-(bromomethyl)-3-(difluoromethyl)-2-iodopyridine
3-Bromo-4-(bromomethyl)-2-(difluoromethyl)-6-iodopyridine
3-Bromo-2-(bromomethyl)-6-(difluoromethyl)-5-iodopyridine
3-Bromo-2-(difluoromethyl)-6-nitropyridine-4-acetic acid
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