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