5-(Chloromethyl)-2-cyano-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Chloro-3-(chloromethyl)-5-(trifluoromethoxy)pyridine-6-acetic acid
4-(Chloromethyl)-5-cyano-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Chloro-3-(chloromethyl)-4-(trifluoromethoxy)pyridine-5-acetic acid