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