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