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