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