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