2-Chloro-4-(perfluorophenyl)-5-(trifluoromethyl)pyridine
2-Chloro-3-(perfluorophenyl)-4-(trifluoromethyl)pyridine
4,5-Bis(perfluorophenyl)-2-(trifluoromethyl)pyridine
3,4-Bis(perfluorophenyl)-5-(trifluoromethyl)pyridine
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