3-Chloro-4-(fluoromethyl)-2-nitro-6-(trifluoromethoxy)pyridine
2-Cyano-4-fluoro-3-(trifluoromethoxy)pyridine-5-acetic acid
Methyl 3-bromo-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-carboxylate
2-Cyano-3-fluoro-5-(trifluoromethoxy)pyridine-6-acetic acid