Methyl 4-(fluoromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylate
4-(Fluoromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-3-acetic acid
Methyl 4-(fluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
4-(Fluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-6-acetic acid