Methyl 5-amino-4-(chloromethyl)-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 3-amino-4-(chloromethyl)-2-(trifluoromethoxy)pyridine-5-acetate
Methyl 3-amino-4-(chloromethyl)-2-(trifluoromethoxy)pyridine-6-acetate
Methyl 3-amino-2-(chloromethyl)-6-(trifluoromethoxy)pyridine-4-acetate