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