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