Methyl 4-cyano-5-iodo-2-(trifluoromethoxy)pyridine-3-carboxylate
3-Chloro-2-iodo-5-(trifluoromethoxy)pyridine-6-methanol
Methyl 4-cyano-3-iodo-5-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 5-cyano-3-iodo-2-(trifluoromethoxy)pyridine-4-carboxylate