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