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