4-Fluoro-2-methyl-3-(trifluoromethoxy)pyridine-6-acetonitrile
3-(Difluoromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Cyano-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetic acid
3-(Difluoromethyl)-4-fluoro-6-(trifluoromethoxy)pyridine-2-carboxylic acid