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