3-Amino-6-fluoro-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-Amino-3-(fluoromethyl)-5-hydroxy-6-(trifluoromethoxy)pyridine
5-Amino-2-fluoro-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-Amino-3-(fluoromethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine