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