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