6-Chloro-2-nitro-3-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Chloro-5-nitro-6-(trifluoromethoxy)pyridine-3-carboxylic acid
6-Chloro-4-nitro-2-(trifluoromethoxy)pyridine-3-carboxylic acid
4-Chloro-5-nitro-2-(trifluoromethoxy)pyridine-3-carboxaldehyde