6-Chloro-2-(perfluorophenyl)pyridine-3-acetonitrile
5-Chloro-3-(perfluorophenyl)pyridine-2-acetonitrile
5-Chloro-2-(perfluorophenyl)pyridine-4-acetonitrile
5-Chloro-2-(perfluorophenyl)pyridine-3-acetonitrile
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