2-Cyano-3-(difluoromethyl)pyridine-4-acetonitrile
Ethyl 2-(difluoromethyl)-6-iodopyridine-3-carboxylate
4-Cyano-3-(difluoromethyl)-2-(trifluoromethyl)pyridine
2-(Chloromethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-acetic acid
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