3-Cyano-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylic acid
4-(Chloromethyl)-2-fluoro-3-hydroxy-5-(trifluoromethoxy)pyridine
4-Cyano-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylic acid
4-Fluoro-3-methyl-2-(trifluoromethoxy)pyridine-6-methanol