3-Amino-6-(aminomethyl)-2-(trifluoromethoxy)pyridine-5-acetonitrile
3-Amino-6-(aminomethyl)-4-(trifluoromethoxy)pyridine-2-acetonitrile
5-Amino-2-(aminomethyl)-4-(trifluoromethoxy)pyridine-3-acetonitrile
5-Amino-2-(aminomethyl)-3-(trifluoromethoxy)pyridine-6-acetonitrile