2-Cyano-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-acetic acid
Methyl 3-(chloromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-6-acetate
4-Cyano-2-nitro-3-(trifluoromethoxy)pyridine-5-carboxylic acid
5-Cyano-3-nitro-4-(trifluoromethoxy)pyridine-2-carboxylic acid