3-Bromo-2-(fluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-Bromo-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-Chloro-5-(fluoromethyl)-2-iodo-4-(trifluoromethoxy)pyridine
6-Chloro-2-(fluoromethyl)-4-iodo-3-(trifluoromethoxy)pyridine