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