4-(2,3,6-Trichlorophenyl)pyridine-2-acetonitrile
3-(2,3,6-Trichlorophenyl)pyridine-4-acetonitrile
3-(2,3,5-Trichlorophenyl)pyridine-4-acetonitrile
2-(2,3,6-Trichlorophenyl)pyridine-5-acetonitrile
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