2-(Difluoromethoxy)-5-(2,4,5-trichlorophenyl)pyridine
2-(Difluoromethoxy)-3-(2,4,5-trichlorophenyl)pyridine
6-(Difluoromethoxy)-3-(perfluorophenyl)-2-(trifluoromethyl)pyridine
3-(Difluoromethoxy)-2-(perfluorophenyl)-6-(trifluoromethyl)pyridine
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