3-Chloro-5-nitro-6-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Chloro-3-(chloromethyl)-4-nitro-6-(trifluoromethoxy)pyridine
Ethyl 6-bromo-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
2-Cyano-6-fluoro-3-(trifluoromethoxy)pyridine-4-acetic acid