3-Cyano-4-nitro-6-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Cyano-4-nitro-2-(trifluoromethoxy)pyridine-6-carboxylic acid
4-(Bromomethyl)-3-fluoro-2-hydroxy-5-(trifluoromethoxy)pyridine
Ethyl 3-cyano-6-nitro-2-(trifluoromethoxy)pyridine-5-carboxylate