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