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