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