4-Hydroxy-2-nitro-5-(trifluoromethoxy)pyridine-3-acetonitrile
Methyl 4-fluoro-6-methyl-2-(trifluoromethoxy)pyridine-3-acetate
Methyl 4-fluoro-2-methyl-5-(trifluoromethoxy)pyridine-3-acetate
5-Hydroxy-3-nitro-2-(trifluoromethoxy)pyridine-4-acetonitrile