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