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