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