5-Bromo-4-(difluoromethyl)-3-iodopyridine-2-acetonitrile
4-Bromo-3-(difluoromethyl)-2-nitropyridine-5-carbonyl chloride
4-Bromo-5-(difluoromethyl)-3-nitro-2-(trifluoromethyl)pyridine
4-Bromo-3-(difluoromethyl)-2-nitro-6-(trifluoromethyl)pyridine
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