5-Chloro-2-(chloromethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-(Bromomethyl)-6-chloro-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-(Bromomethyl)-6-chloro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
4-Chloro-3-(chloromethyl)-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine