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