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