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