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