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