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