2-(Bromomethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
Ethyl 2-iodo-6-methoxy-5-(trifluoromethoxy)pyridine-3-carboxylate
2-(Bromomethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
6-(Bromomethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxaldehyde