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