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