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