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