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