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