3-(Difluoromethyl)-5-fluoro-6-hydroxy-2-iodopyridine
3-(Difluoromethyl)-6-fluoro-4-hydroxy-2-methylpyridine
2-(Chloromethyl)-5-cyano-4-(difluoromethyl)pyridine-3-acetonitrile
2-(Chloromethyl)-3-cyano-6-(difluoromethyl)pyridine-5-acetonitrile
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