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