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