Ethyl 3-(bromomethyl)-5-chloro-6-(trifluoromethoxy)pyridine-2-acetate
Ethyl 5-(bromomethyl)-3-chloro-4-(trifluoromethoxy)pyridine-2-acetate
Ethyl 3-(bromomethyl)-5-chloro-4-(trifluoromethoxy)pyridine-2-acetate
Ethyl 3-(bromomethyl)-5-chloro-2-(trifluoromethoxy)pyridine-6-acetate