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