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