Ethyl 2-hydroxy-6-nitro-4-(trifluoromethoxy)pyridine-3-acetate
2-Fluoro-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetic acid
2-Hydroxy-6-methyl-3-(trifluoromethoxy)pyridine-4-acetonitrile
6-Hydroxy-3-methyl-4-(trifluoromethoxy)pyridine-2-acetonitrile