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