2-Fluoro-3-methyl-5-(perfluorophenyl)pyridine
2-Fluoro-3-methyl-4-(perfluorophenyl)pyridine
6-Chloro-2-methyl-3-(2,4,5-trichlorophenyl)pyridine
5-Chloro-4-methyl-2-(2,4,5-trichlorophenyl)pyridine
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