3,5-Bis(perfluorophenyl)pyridine-2-acetonitrile
2,3-Bis(perfluorophenyl)pyridine-6-acetonitrile
2,3-Bis(perfluorophenyl)pyridine-5-acetonitrile
2,6-Bis(perfluorophenyl)pyridine-4-acetonitrile
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