4-Cyano-5-nitro-2-(trifluoromethoxy)pyridine-3-acetic acid
Methyl 2-fluoro-3-nitro-4-(trifluoromethoxy)pyridine-6-carboxylate
2-Fluoro-4-nitro-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
4-Cyano-3-nitro-5-(trifluoromethoxy)pyridine-2-acetic acid