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