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