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