5-Chloro-2-cyano-3-(difluoromethyl)-6-methoxypyridine
3-Bromo-4-(chloromethyl)-2-(difluoromethyl)pyridine-5-acetonitrile
2-(Aminomethyl)-3-bromo-5-(difluoromethyl)pyridine-4-acetonitrile
2-Bromo-6-(difluoromethyl)-4-methylpyridine-3-acetonitrile
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