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
3-(Chloromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxaldehyde