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