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