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