3-(Aminomethyl)-2-cyano-4-(trifluoromethoxy)pyridine-5-acetonitrile
2-(Aminomethyl)-5-cyano-3-(trifluoromethoxy)pyridine-4-acetonitrile
4-(Bromomethyl)-5-cyano-3-(trifluoromethoxy)pyridine-2-acetonitrile
2-(Bromomethyl)-3-cyano-4-(trifluoromethoxy)pyridine-5-carboxylic acid