3,6-Difluoro-2-(difluoromethyl)pyridine-5-acetonitrile
3-Bromo-2,4-difluoro-5-(difluoromethyl)pyridine
2,3-Difluoro-6-(difluoromethyl)pyridine-5-acetonitrile
4-Bromo-2,3-difluoro-5-(difluoromethyl)pyridine
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