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