4-Cyano-2-nitro-6-(trifluoromethoxy)pyridine-3-carboxylic acid
6-(Aminomethyl)-2-cyano-3-(trifluoromethoxy)pyridine-4-acetonitrile
3-Cyano-5-nitro-6-(trifluoromethoxy)pyridine-2-carboxylic acid
2-(Aminomethyl)-6-cyano-4-(trifluoromethoxy)pyridine-3-acetonitrile