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