5-Chloro-2-(difluoromethoxy)-3-(perfluorophenyl)pyridine
3-Chloro-4-(difluoromethoxy)-5-(perfluorophenyl)pyridine
3-Chloro-2-(difluoromethoxy)-5-(perfluorophenyl)pyridine
2,4-Bis(2,4,5-trichlorophenyl)-3-(difluoromethoxy)-6-(trifluoromethyl)pyridine
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