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