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