Ethyl 2-(fluoromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-6-acetate
2-(Fluoromethyl)-3-iodo-4-methyl-6-(trifluoromethoxy)pyridine
Methyl 3-(chloromethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 5-(chloromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate