4-Bromo-5-(chloromethyl)-3-(difluoromethyl)pyridine-2-acetonitrile
3-Bromo-6-(chloromethyl)-2-(difluoromethyl)-5-nitropyridine
5-Bromo-2-(chloromethyl)-4-(difluoromethyl)-3-nitropyridine
5-Bromo-2-(chloromethyl)-3-(difluoromethyl)-4-nitropyridine
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