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