3-Fluoro-2-nitro-5-(trifluoromethoxy)pyridine-4-acetonitrile
6-Fluoro-2-nitro-3-(trifluoromethoxy)pyridine-4-acetonitrile
Methyl 4-hydroxy-3-methoxy-2-(trifluoromethoxy)pyridine-6-acetate
2-Hydroxy-3-methoxy-5-(trifluoromethoxy)pyridine-6-acetic acid