Methyl 4-cyano-2-methyl-3-(trifluoromethoxy)pyridine-6-carboxylate
3-Cyano-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetonitrile
Methyl 3-cyano-5-methyl-6-(trifluoromethoxy)pyridine-2-carboxylate
5-Cyano-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-acetonitrile