2-Bromo-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-Chloro-4-cyano-6-methoxy-2-(trifluoromethoxy)pyridine
2-Bromo-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxaldehyde
6-Bromo-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxaldehyde