2-(Chloromethyl)-3-(difluoromethyl)-5-nitropyridine
5-(Difluoromethyl)-2-(trifluoromethyl)pyridine-3-acetonitrile
4-(Bromomethyl)-3-(difluoromethyl)-5-nitropyridine
4-(Difluoromethyl)-3-(trifluoromethyl)pyridine-2-acetonitrile
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