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