2-(Chloromethyl)-3-fluoro-5-methyl-4-(trifluoromethoxy)pyridine
4-(Bromomethyl)-5-fluoro-2-methyl-3-(trifluoromethoxy)pyridine
4-(Bromomethyl)-6-fluoro-2-methyl-3-(trifluoromethoxy)pyridine
5-(Bromomethyl)-3-fluoro-2-methyl-4-(trifluoromethoxy)pyridine