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