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