3-Fluoro-2-nitro-4-(trifluoromethoxy)pyridine-6-carboxylic acid
Ethyl 2-fluoro-4-nitro-5-(trifluoromethoxy)pyridine-3-carboxylate
6-Fluoro-3-nitro-2-(trifluoromethoxy)pyridine-4-carboxylic acid
Ethyl 2-fluoro-3-nitro-6-(trifluoromethoxy)pyridine-5-carboxylate