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