Methyl 2-chloro-3-nitro-6-(trifluoromethoxy)pyridine-5-carboxylate
3-Chloro-5-(fluoromethyl)-2-nitro-4-(trifluoromethoxy)pyridine
5-Chloro-2-nitro-4-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Chloro-2-(fluoromethyl)-5-nitro-6-(trifluoromethoxy)pyridine