5-Bromo-3-(difluoromethyl)pyridine-2-acetonitrile
4-(Chloromethyl)-5-(difluoromethyl)pyridine-2-sulfonamide
2-(Difluoromethyl)-6-(fluoromethyl)-4-methoxypyridine
5-Bromo-4-(difluoromethyl)pyridine-2-acetonitrile
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