4-(Fluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-(Chloromethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine-3-methanol
6-(Fluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
5-(Chloromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-3-acetonitrile