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