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