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