5-Fluoro-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
5-Fluoro-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Fluoro-2-(fluoromethyl)-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-Fluoro-5-(fluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxaldehyde