6-Amino-2-chloro-4-(trifluoromethoxy)pyridine-3-acetonitrile
6-Amino-3-(chloromethyl)-4-(trifluoromethoxy)pyridine-2-acetonitrile
2-Amino-6-chloro-3-(trifluoromethoxy)pyridine-4-acetonitrile
6-Amino-3-chloro-4-(trifluoromethoxy)pyridine-2-acetonitrile