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