5-Chloro-4-(difluoromethyl)-3-fluoropyridine-2-acetonitrile
2-Bromo-6-(bromomethyl)-4-(difluoromethyl)pyridine-3-carboxylic acid
3-Chloro-4-(difluoromethyl)-2-fluoropyridine-6-acetonitrile
3-Chloro-2-(difluoromethyl)-5-fluoropyridine-6-acetonitrile
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