2,3-Difluoro-5-(perfluorophenyl)pyridine
2,3-Difluoro-4-(perfluorophenyl)pyridine
3-Chloro-4-(2,4,5-trichlorophenyl)-2,5,6-trifluoropyridine
3-Chloro-4-(perfluorophenyl)-2,5,6-trifluoropyridine
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