Ethyl 3-amino-6-iodo-2-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 3-amino-5-(chloromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 5-amino-2-iodo-4-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 3-amino-4-methoxy-5-(trifluoromethoxy)pyridine-2-carboxylate