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