4-Fluoro-6-nitro-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Aminomethyl)-6-cyano-2-methoxy-4-(trifluoromethoxy)pyridine
5-Fluoro-3-nitro-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-(Aminomethyl)-3-cyano-5-methoxy-2-(trifluoromethoxy)pyridine