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