Methyl 4-fluoro-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-(chloromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-4-acetate
Ethyl 2-fluoro-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetate
3-(Chloromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-4-acetic acid