3-Cyano-2-fluoro-5-(trifluoromethoxy)pyridine-4-carboxylic acid
6-Cyano-2-fluoro-3-(trifluoromethoxy)pyridine-4-carboxylic acid
4-Chloro-2-methyl-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
4-Chloro-3-(difluoromethyl)-5-nitro-2-(trifluoromethoxy)pyridine