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