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