Ethyl 6-(bromomethyl)-2-methyl-3-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 2-(bromomethyl)-6-methyl-3-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 6-(bromomethyl)-3-methyl-4-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 2-(bromomethyl)-5-methyl-3-(trifluoromethoxy)pyridine-6-carboxylate