Ethyl 4-bromo-6-iodo-3-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 4-bromo-2-iodo-3-(trifluoromethoxy)pyridine-5-carboxylate
4-Chloro-3-cyano-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine
Ethyl 5-bromo-3-iodo-4-(trifluoromethoxy)pyridine-2-carboxylate