5-(Chloromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
6-Cyano-4-methyl-2-(trifluoromethoxy)pyridine-3-acetic acid
3-(Chloromethyl)-2-fluoro-5-(trifluoromethoxy)pyridine-6-carboxaldehyde
6-(Chloromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-3-carboxaldehyde