Ethyl 5-cyano-2-methyl-3-(trifluoromethoxy)pyridine-4-carboxylate
5-Cyano-2-iodo-3-nitro-4-(trifluoromethoxy)pyridine
Ethyl 4-cyano-5-methyl-3-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 4-cyano-6-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate