3-Cyano-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetonitrile
2-Fluoro-4-hydroxy-6-methoxy-3-(trifluoromethoxy)pyridine
3-Cyano-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetonitrile
2-(Difluoromethyl)-4-fluoro-3-methyl-5-(trifluoromethoxy)pyridine