2-(Chloromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
Ethyl 2-(fluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-5-acetate
6-(Chloromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-(Chloromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxaldehyde