3-(Chloromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-Iodo-5-methyl-3-(trifluoromethoxy)pyridine-2-methanol
4-(Chloromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Fluoromethyl)-4-iodo-5-methyl-2-(trifluoromethoxy)pyridine