Ethyl 2-cyano-4-nitro-5-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 5-chloro-4-iodo-3-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-chloro-4-iodo-2-(trifluoromethoxy)pyridine-5-carboxylate
2-Cyano-4-iodo-3-(trifluoromethoxy)pyridine-6-acetonitrile