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