Ethyl 6-(bromomethyl)-3-(difluoromethyl)pyridine-2-carboxylate
5-(Chloromethyl)-2-cyano-4-(difluoromethyl)pyridine
4-(Chloromethyl)-2-cyano-5-(difluoromethyl)pyridine
3-(Difluoromethyl)-5-(fluoromethyl)-2-nitropyridine
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