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