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