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