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