4-Cyano-2-fluoro-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Chloro-4-methoxy-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
Methyl 4-chloro-5-fluoro-3-(trifluoromethoxy)pyridine-2-carboxylate
4-Cyano-2-fluoro-3-(trifluoromethoxy)pyridine-6-carboxaldehyde