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