Ethyl 3-bromo-4-(chloromethyl)-2-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 3-bromo-2-(chloromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylate
2-Chloro-5-iodo-6-methyl-3-(trifluoromethoxy)pyridine
2-Chloro-5-iodo-4-methyl-3-(trifluoromethoxy)pyridine