4-(Difluoromethyl)-2-iodopyridine-3-acetonitrile
3-Cyano-2-(difluoromethyl)pyridine-4-acetonitrile
2-Cyano-5-(difluoromethyl)pyridine-3-acetonitrile
2-(Chloromethyl)-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetic acid
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