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