4-Cyano-3-hydroxy-6-nitro-2-(trifluoromethoxy)pyridine
Methyl 3-cyano-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-carboxylate
4-Cyano-2-fluoro-3-nitro-5-(trifluoromethoxy)pyridine
Methyl 3-cyano-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-carboxylate