Ethyl 3-cyano-6-methyl-2-(trifluoromethoxy)pyridine-5-carboxylate
3-Cyano-6-methyl-4-(trifluoromethoxy)pyridine-2-acetonitrile
Ethyl 5-cyano-2-methyl-3-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 3-cyano-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylate