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