2-Hydroxy-6-iodo-3-nitro-5-(trifluoromethoxy)pyridine
5-(Aminomethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylic acid
6-Hydroxy-3-iodo-2-nitro-4-(trifluoromethoxy)pyridine
4-(Aminomethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-3-carboxylic acid