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