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