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