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