4-Hydroxy-3-nitro-5-(trifluoromethoxy)pyridine-2-sulfonamide
Ethyl 2-fluoro-3-(fluoromethyl)-5-(trifluoromethoxy)pyridine-4-carboxylate
2-Hydroxy-3-methyl-4-(trifluoromethoxy)pyridine-5-acetonitrile
5-Hydroxy-3-nitro-2-(trifluoromethoxy)pyridine-4-sulfonamide