5-Cyano-2,3-difluoro-4-(difluoromethyl)pyridine
4-Chloro-3,5-difluoro-2-(difluoromethyl)pyridine
Methyl 2-(difluoromethyl)-3-fluoropyridine-4-acetate
5-Chloro-2,4-difluoro-3-(difluoromethyl)pyridine
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