4,5-Dichloro-3-(difluoromethyl)-2-fluoropyridine
6-Cyano-2,3-difluoro-4-(difluoromethyl)pyridine
3,4-Dichloro-2-(difluoromethyl)-5-fluoropyridine
4-Cyano-2,3-difluoro-5-(difluoromethyl)pyridine
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