2-Bromo-6-(difluoromethyl)pyridine-4-acetonitrile
6-(Chloromethyl)-3-(difluoromethyl)-2-nitropyridine
2-(Chloromethyl)-4-(difluoromethyl)-6-nitropyridine
2-Bromo-5-(difluoromethyl)pyridine-4-acetonitrile
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