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