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