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