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