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