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