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