3-(Bromomethyl)-5-chloro-2-cyano-4-(trifluoromethoxy)pyridine
4-(Bromomethyl)-3-chloro-2-fluoro-5-(trifluoromethoxy)pyridine
4-(Bromomethyl)-2-chloro-6-fluoro-3-(trifluoromethoxy)pyridine
4-(Bromomethyl)-2-chloro-5-fluoro-3-(trifluoromethoxy)pyridine