2-Fluoro-4-nitro-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
4-Cyano-3-nitro-5-(trifluoromethoxy)pyridine-2-acetic acid
2-Fluoro-4-nitro-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
Ethyl 3-cyano-6-nitro-2-(trifluoromethoxy)pyridine-4-acetate