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