2-Bromo-3-chloro-5-cyano-4-(difluoromethyl)pyridine
3-Bromo-6-chloro-2-(difluoromethyl)-4-iodopyridine
2-Bromo-4-chloro-3-(difluoromethyl)-5-methoxypyridine
3-Bromo-6-chloro-2-(difluoromethyl)-4-fluoropyridine
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