3-Cyano-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetonitrile
3-(Difluoromethyl)-6-fluoro-2-(trifluoromethoxy)pyridine-5-methanol
2-Hydroxy-6-iodo-5-(trifluoromethoxy)pyridine-3-carboxylic acid
5-Cyano-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetonitrile