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