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