2-Bromo-3-cyano-4-(difluoromethyl)-6-fluoropyridine
2-Bromo-6-(bromomethyl)-4-chloro-3-(difluoromethyl)pyridine
2-Bromo-3-(bromomethyl)-4-chloro-6-(difluoromethyl)pyridine
3-Bromo-6-chloro-2-(chloromethyl)-4-(difluoromethyl)pyridine
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