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