2-Hydroxy-2-Cyano-3-nitro-5-(4-(trifluoromethoxy)phenyl)pyridine
2-Hydroxy-2-Cyano-3-nitro-5-(3-(trifluoromethoxy)phenyl)pyridine
2-Hydroxy-2-Cyano-3-nitro-5-(2-(trifluoromethoxy)phenyl)pyridine
6-Fluoro-2-hydroxy-4-(4-(trifluoromethoxy)phenyl)pyridine