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