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