2-Bromo-3-(difluoromethyl)-6-iodopyridine-4-carbonyl chloride
4-Bromo-3-(bromomethyl)-2-(difluoromethyl)-6-nitropyridine
2-Bromo-3-(difluoromethyl)-4-iodopyridine-5-carbonyl chloride
4-Bromo-6-(bromomethyl)-2-(difluoromethyl)-3-nitropyridine
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