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