2-Chloro-5-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylic acid
6-Chloro-4-fluoro-2-(trifluoromethoxy)pyridine-3-carboxylic acid
3-(Aminomethyl)-2-chloro-4-nitro-6-(trifluoromethoxy)pyridine
2-(Aminomethyl)-6-chloro-5-nitro-3-(trifluoromethoxy)pyridine