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