Ethyl 2-bromo-6-iodo-3-(trifluoromethoxy)pyridine-4-carboxylate
4-Bromo-5-(chloromethyl)-3-iodo-2-(trifluoromethoxy)pyridine
Ethyl 2-bromo-4-iodo-3-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 3-bromo-6-iodo-4-(trifluoromethoxy)pyridine-2-carboxylate