4-(Bromomethyl)-2-cyano-3-(trifluoromethoxy)pyridine-6-acetic acid
2-(Chloromethyl)-3-cyano-6-(trifluoromethoxy)pyridine-4-methanol
3-(Bromomethyl)-5-cyano-6-(trifluoromethoxy)pyridine-2-acetic acid
2-(Chloromethyl)-3-cyano-4-(trifluoromethoxy)pyridine-6-methanol