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