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