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