2,3-Difluoro-4-(difluoromethyl)-6-iodopyridine
3,6-Difluoro-2-(difluoromethyl)-5-methylpyridine
6-Cyano-3,4-difluoro-2-(difluoromethyl)pyridine
3-Cyano-4,5-difluoro-2-(difluoromethyl)pyridine
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